Lockseeds

Lockseeds (ロックシード) are mysterious devices that are the source of the Armored Riders' powers. They all have powers associated with fruits, seeds, berries, and nuts. Lockseeds can grow on trees in the Helheim Forest, assuming the shape of a flower first.

The Inves love Lockseed flowers, regarding them as their favorite food. However, if an Inves consumes a mature Lockseed, it assumes its Berserker State, and if it consumes another mature Lockseed, then that Inves will evolve into its Evolved State.

In Inves Games, people use mature Lockseeds to summon Inves to do battle. When a person wearing a Sengoku/Genesis Driver picks Lockseed flowers, they will quickly turn into mature Lockseeds. When an Inves Game starts, the Lockseeds say "Battle, Start!". After an Inves Game, these Lockseeds say "You Win" or "You Lose" depending on the result of the battle. After a victory, the toy Lockseed says "Rank Up!", which has yet to be used in the show.

In the Hyper Battle DVD, the Lockseeds become rusted, preventing transformations and Inves summoning, however there are ways to to restore them, according to the Priestess of Fate.

If an Armored Rider summons an Inves in a battle, then they will be fully materialized in the real world, however if a New Generation Rider summons an Inves, one Lockseed can call in three at a time. If one manages to jailbreak a Lockseed (though Sid had to show how to do so), they can summon fully materialized Inves as well without being an Armored Rider, although there is a chance for the Lockseed to malfunction.

Inves
The Inves love Lockseeds, regarding them as their favorite food. In the Helheim Forest, Inves eat immature Lockseeds by eating the core of the Lockseed and throwing the rest of it away immediately afterwards when they are done.

Immature Lockseeds


Immature Lockseeds, also known as the fruit of Helheim (ヘルヘイムの果実), are Lockseeds in their immature state that grow in the Helheim Forest. They normally look like fruit, however if anyone wearing a Sengoku Driver picks them they will turn into mature Lockseeds. The Inves love both types of Lockseeds, regarding them as their favorite and only food, and will attempt to protect them if they are picked.

People who don't wear a Driver when entering Helheim or/and nearby the place where the Helheim crack portal was opened out of nowhere also seem tempted to eat Immature Lockseeds, and it takes outside help to make sure they don't eat it.

When a living being does eat a premature Lockseed, be it human or an animal, it quickly rewrites the creature's DNA and minds, as they will turn into an Inves, and in human cases like Ryoji Hase did, into an Inves in a Berserker State, where the Yggdrasill higher-ups then calls them "Category H" Inves; Inves that were formerly human. Confirmed Category H Inves are: However, it can be used as an alternative food source if a person holding a Lockseed inserts it in a Sengoku Driver like Kouta Kazuraba and Takatora Kureshima who used a Himawari Lockseed as a substitute for food.
 * Yuya Sumii of Team Gaim; devoured an immature Lockseed and mutated into a Byakko Inves. He was unknowingly killed by Armored Rider Gaim.
 * An unnamed maintenance worker; devoured an immature Lockseed and mutated into the Komori Inves (Mutant). He was killed by Armored Riders Gaim and Ryugen.
 * Ryoji Hase of Team Raid Wild; devoured an immature Lockseed and mutated into a Hekija Inves. While Gaim tried to help Ryoji reclaim his humanity, he was murdered by New Generation Rider Sigurd when Gaim could not gather the mental fortitude to slay Ryoji.

A non-humanoid kaijin type, like Beast Chimera, can survive eating the fruit without any side effects, While a intelligent, humanoid kaijin type like Overlord Demushu has an effect of entering their evolved states.

Classes
Matured Lockseeds are given ranks, from D to A, but it is unknown if either the number of the Lockseed, the chance of rarity of such a Lockseed being found, or a combination of the two makes the Lockseed's ranking.

A-Classed Lockseeds are normally unbreakable (though they can be devoured by an Inves or destroyed by powerful attacks). Given their powerful nature, they are useful for both transformation as an Armored Rider or to summon a high classed Inves. One drawback is that the summoned Inves is in its Berserker State, and if said Inves consumes a Lockseed that summoned it or an entirely different Lockseed, it will evolve into a second form of itself called an Evolved State (進化態).

Beyond the normal variety of Lockseeds, there exists another brand of Lockseed in the form of Lock Vehicle Lockseeds (ロックビークルロックシード). They are indicated by their rougher design and their theme being based on flowers. Once unlocked, the Lock Vehicles will unfold from their Lockseed Modes into their Vehicle Modes, and have the capacity to breach into the Helheim Forest when they hit a certain speed. Due to these Lockseeds being made mainly as a mode of transportation, Lock Vehicle Lockseeds do not have a Lockseed ranking. They are quite rare to appear naturally, as Yggdrasill's mass picking for R&D might have made a hit to the appearance of Lock Vehicle Lockseeds.

Yggdrasill has managed to create fully functional artificial Lockseeds called Energy Lockseeds (エナジーロックシード), more powerful Lockseeds that sacrifices the ability to summon a normal Arms Weapon when used in a Driver, instead summoning a Sonic Arrow. These particular Lockseeds can only be used by a New Generation Rider with a Genesis Driver, though there is a roundabout way Sengoku Driver-wearing Armored Riders can use Energy Lockseeds. In terms of rankings, Energy Lockseeds are given the general rank of Class S, outranking even the more powerful natural Lockseeds (except skilled users of the Suika Lockseed). Like A-Classed Lockseeds, they are normally unbreakable, though Rosyuo was able to easily dissolve Sid's Cherry Energy Lockseed with a force-based attack.

Kamen Rider Gaim's Lockseeds

 * Orange Lockseed (オレンジロックシード): Allows Kamen Rider Gaim to transform into Orange Arms, equipped with the Daidaimaru. Its code is LS-07 and it is Class A. Another one is seen in the possession of DJ Sagara.
 * Pine Lockseed (パインロックシード): Allows Kamen Rider Gaim to transform into Pine Arms, equipped with the Pine Iron. Its code is LS-05 and it is Class A. He obtains this Lockseed after beating Kaito Kumon in an Inves Game.
 * Ichigo Lockseed (イチゴロックシード): Allows Kamen Rider Gaim to transform into Ichigo Arms, equipped with the Ichigo Kunai. Its code is LS-06 and it is Class A. Kouta had found his Ichigo Lockseed, as well as his Orange Lockseed and Sengoku Driver, during his first adventure into the Helheim Forest; however, Peko managed to disarm it from him and then the Shika Inves Kouta summoned for an Inves Game consumed it to evolve into a Evolved Inves. Some time after, Gaim was able to obtain another Ichigo Lockseed, which had belonged to Team Invitto until they lost an Inves game to Ryugen, before he appears in the World within the Magic Stone.
 * Suika Lockseed (スイカロックシード): Allows Kamen Rider Gaim to transform into Suika Arms, a colossal mecha-like form that is capable of assuming 3 different modes (Yoroi, Odama, and Gyro) and equipped with the Suika Sojinto while in Yoroi Mode. Its code is LS-10 and it is Class A. This Lockseed was originally in possession of Takatora Kureshima until Mitsuzane stole it from him. Another one is achieved, when Kouta got another Suika Lockseed in the Yggdrasill's base in Helheim Forest. After Kouta uses the Suika Lockseed, it loses its color and becomes unresponsive for a certain amount of time. In the toyline, the Suika Lockseed makes the sound of bowling pins being knocked down after its transformation call is announced. Kouta loaned his personal Suika Lockseed to Baron to fight Sigurd during a failed invasion into Yggdrasill, but has yet to get it back, while Ryugen has the one he stole from his brother.
 * Banana Lockseed (バナナロックシード): Allows Kamen Rider Gaim to transform into Banana Arms, equipped with the Banaspear. Its code is LS-08 and it is Class A. The Banana Lockseed is normally used by Kamen Rider Baron. However, when Gaim tag teams with him in an attempt to defeat Kamen Rider Bravo, Baron lends him his Lockseed to assume Banana Arms while Baron himself assumes Mango Arms.
 * Donguri Lockseed (ドングリロックシード): Allows Kamen Rider Gaim to transform into Donguri Arms, equipped with the Donkachi. Its code is LS-03 and it is Class B. The Donguri Lockseed is normally used by Kamen Rider Gridon.
 * Durian Lockseed (ドリアンロックシード): Allows Kamen Rider Gaim to transform into Durian Arms, equipped with the Duri Noko. Its code is LS-12 and it is Class A. The Durian Lockseed is normally used by Kamen Rider Bravo.
 * Lemon Energy Lockseed (レモンエナジーロックシード): Allows Kamen Rider Gaim to transform into Jimber Lemon Arms when he activates the Lemon Energy Lockseed on the Genesis Core after it is manually attached to the Sengoku Driver, granting him enhanced strength. Its code is ELS-01 and it is a Class S. Gaim obtained this Energy Lockseed from DJ Sagara, along with a Genesis Core, when Kouta impressed the DJ with his sense of duty.
 * Cherry Energy Lockseed (チェリーエナジーロックシード): Allows Kamen Rider Gaim to transform into Jimber Cherry Arms when he activates the Cherry Energy Lockseed on the Genesis Core after it is manually attached to the Sengoku Driver, granting him enhanced speed. Its code is ELS-02 and it is a Class S. Gaim obtained this Energy Lockseed by beating Sigurd with a Jimber Lemon Squash-fueled Burai Kick.
 * Peach Energy Lockseed (ピーチエナジーロックシード): Allows Kamen Rider Gaim to transform into Jimber Peach Arms when he activates the Peach Energy Lockseed on the Genesis Core after it is manually attached to the Sengoku Driver, granting him enhanced hearing, but with a sensitivity to higher-pitched sound waves. Its code is ELS-03 and it is a Class S. Gaim obtains this Energy Lockseed by ripping it off of Marika's Genesis Driver when she wasn't expecting it.
 * Kachidoki Lockseed (カチドキロックシード): Allows Kamen Rider Gaim to transform into Kachidoki Arms, equipped with the DJ Gun as his Arms Weapon and the Kachidoki Bata twin flags attached to his back. Its code is KLS-01. Gaim obtained this Lockseed from DJ Sagara, who had created it by first transmutating an orange into a metallic version of one, then into the Kachidoki Lockseed. In the toyline, a cheaper variant (candy toy) of the Kachidoki Lockseed is available, which resembles a normal Lockseed, for those unable to purchase a DX Kachidoki Lockseed.
 * Kiwami Lockseed (極(キワミ)ロックシード): A special Lockseed-like key that when activated on the Senyo Joint after it is magically attached to the Sengoku Driver allows Kamen Rider Gaim to evolve his Kachidoki Arms into Kiwami Arms, granting him access to every basic Arms Weapon and every weapon with an attachment slot designed for the Lockseeds. Unlike other Lockseeds which announce their names when they are activated, the Kiwami Lockseed announces "Fruit Basket" (フルーツバスケット) when the button that pops out the key portion is pressed. After this Lockseed is inserted into the Kachidoki Lockseed and the key is turned, it announces "Lock Open" (ロックオープン). Its code is LS-$$\infty$$ (LS-Infinity). The Kiwami Lockseed was created from a seed of the Forbidden Fruit that Rosyuo has been heavily guarding, before he gives it to DJ Sagara, which is later given to Kouta by DJ Sagara. The toy version can be used with the Sengoku Driver without the DX Kachidoki Lockseed without the annoucements.
 * Fresh Orange Lockseed (フレッシュオレンジロックシード): Allows Gaim to transform into Fresh Orange Arms, equipped with twin Daidaimarus. Its code is LS-07, the same as the original Orange Lockseed, since this lockseed is actually the original Orange Lockseed. Only appears in Kamen Rider Gaim Hyper Battle DVD: Fresh Orange Arms is Born!.
 * Fresh Pine Lockseed (フレッシュパインロックシード): Allows Gaim to transform into Fresh Pine Arms, equipped with twin Pine Irons. It's code is LS-05, the same as the original Pine Lockseed, since this lockseed is actually the original Pine Lockseed. Only appears in Kamen Rider Gaim Hyper Battle DVD: Fresh Orange Arms is Born!, though it is never used, but is speculated to work like the Fresh Orange Lockseed.

Kamen Rider Baron's Lockseeds

 * Banana Lockseed (バナナロックシード): Allows Kamen Rider Baron to transform into Banana Arms, equipped with the Banaspear. Its code is LS-08 and it is Class A. Kaito obtained his Banana Lockseed along with his Sengoku Driver from Lock Dealer Sid. Another one is seen in the possession of DJ Sagara.
 * Mango Lockseed (マンゴロックシード): Allows Kamen Rider Baron to transform into Mango Arms, equipped with the Mango Punisher. Its code is LS-11. Kaito obtains it while he was in the Helheim Forest for the first time, which is later used in episode 8.
 * Suika Lockseed (スイカロックシード): Allows Kamen Rider Baron to transform into Suika Arms, a colossal mecha-like form that is capable of assuming 3 different modes (Yoroi, Odama, and Gyro) and equipped with a lance while in Yoroi Mode. Its code is LS-10 and it is Class A. Gaim loaned Baron one of his Suika Lockseeds during their attempted infiltration into Yggdrasill via the Crack that they use that enters the Helheim Forest, but Kaito has yet to return the Lockseed back to Kouta. Later loaned to Zack twice.
 * Ichigo Lockseed (イチゴロックシード): Allows Kamen Rider Baron to transform into Ichigo Arms, equipped with the Ichigo Kunai. Its code is LS-06 and it is Class A. Baron uses this Lockseed in the Hyper Battle DVD.
 * Melon Lockseed (メロンロックシード): Allows Kamen Rider Baron to transform into Melon Arms, equipped with the Melon Defender. Its code is LS-04 and it is Class A. Baron uses this Lockseed in the Hyper Battle DVD.
 * Kiwi Lockseed (キウィロックシード): Allows Kamen Rider Baron to transform into Kiwi Arms, equipped with the Kiwi Gekirin. Its code is LS-13 and is Class A. Baron uses this Lockseed in the Hyper Battle DVD.
 * Lemon Energy Lockseed (レモンエナジーロックシード): Allows Kamen Rider Baron to transform into Lemon Energy Arms when he activates the Lemon Energy Lockseed on the Genesis Driver, making him a New Generation Rider in the process. Its code is ELS-01 and it is a Class S.

Kamen Rider Ryugen's Lockseeds

 * Budou Lockseed (ブドウロックシード): Allows Kamen Rider Ryugen to transform into Budou Arms, equipped with the Budou Ryuhou. Its code is LS-09 and it is Class A.
 * Kiwi Lockseed (キウィロックシード): Allows Kamen Rider Ryugen to transform into Kiwi Arms, equipped with the Kiwi Gekirin. Its code is LS-13 and is Class A. It was found in the Helheim Forest when Ryugen picked a premature Lockseed when Gaim remarked about what the "fruit" will turn into.
 * Suika Lockseed (スイカロックシード): Allows Kamen Rider Ryugen to transform into the colossal Suika Arms, capable of assuming 3 different modes (Yoroi, Odama, and Gyro) and equipped with an unconfirmed weapon while in Yoroi Mode. Its code is LS-10 and it is Class A. After Kouta uses the Suika Lockseed, Mitsuzane found out that it loses its color and becomes unresponsive for a certain amount of time. In the toyline, the Suika Lockseed makes the sound of bowling pins being knocked down after its transformation call is announced. Despite being used by Kouta, he always returns it to Mitsuzane after the battle. However, Mitsuzane has yet to use it by himself.
 * Yomotsu Heguri Lockseed: To be added
 * Melon Lockseed (メロンロックシード): Allows Kamen Rider Ryugen to transform into Melon Arms, equipped with the Melon Defender. Its code is LS-04 and it is Class A. Ryugen uses this Lockseed in the Hyper Battle DVD.
 * Banana Lockseed (バナナロックシード): Allows Kamen Rider Ryugen to transform into Banana Arms, equipped with the Banaspear. Its code is LS-08 and it is Class A. Ryugen uses this Lockseed in the Hyper Battle DVD.
 * Pine Lockseed (パインロックシード): Allows Kamen Rider Ryugen to transform into Pine Arms, equipped with the Pine Iron. Its code is LS-05 and it is Class A. Ryugen uses this Lockseed in the Hyper Battle DVD.
 * Blood Orange Lockseed (ブラッドオレンジロックシード): Allows Ryugen to transform into Blood Orange Arms, equipped with a crimson version of the Daidaimaru. Like the original Orange Lockseed, its number is LS-07 and it is Class A. However, this Lockseed's voice is distorted to make it sound much deeper than the others. It is never used in the series by Ryugen, however Mitsuzane is in possession of this Lockseed in the aftermath of the movie, using it to open a portal from the Sengoku Period World back into the Helheim Forest.

Kamen Rider Zangetsu's Lockseeds

 * Melon Lockseed (メロンロックシード): Allows Kamen Rider Zangetsu to transform into Melon Arms, equipped with the Melon Defender. Its code is LS-04 and it is Class A.
 * Ichigo Lockseed (イチゴロックシード): Allows Kamen Rider Zangetsu to transform into Ichigo Arms, equipped with the Ichigo Kunai. Its code is LS-06 and it is Class A. Zangetsu uses this Lockseed in the Hyper Battle DVD.
 * Budou Lockseed (ブドウロックシード): Allows Kamen Rider Zangetsu to transform into Budou Arms, equipped with the Budou Ryuhou. Its code is LS-09 and it is Class A. Zangetsu uses this Lockseed in the Hyper Battle DVD.
 * Mango Lockseed (マンゴロックシード): Allows Kamen Rider Zangetsu to transform into Mango Arms, equipped with the Mango Punisher. Its code is LS-11. Zangetsu uses this Lockseed in the Hyper Battle DVD.

Kamen Rider Gridon's Lockseeds

 * Donguri Lockseed (ドングリロックシード): Allows Kamen Rider Gridon to transform into Donguri Arms, equipped with the Donkachi. Its code is LS-03 and it is Class B. Hideyasu has lost his first Donguri Lockseed to Team Gaim after he and Ryoji had beaten Kaito, and had to buy another one from Sid, and lost that one to Bravo, which was most likely devoured by the Inves that became the Evolved Inoshishi Inves. He obtains another one sometime before the Lockseed Collecting Christmas Game.
 * A Donguri Lockseed was modified by Oren Pierre Alfonzo, bearing his likeness inside. It announced phrases by him and dropped sudden bad luck as opposed to Donguri Arms on Hideyasu's head when he tried to transform. Oren had swapped it with his Donguri Lockseed to discipline him, having expecting him to try and harm Akira Kazuraba.
 * Suika Lockseed (スイカロックシード): Allows Kamen Rider Gridon to transform into Suika Arms, a colossal mecha-like form that is capable of assuming 3 different modes (Yoroi, Odama, and Gyro) and equipped with an unconfirmed weapon while in Yoroi Mode. Its code is LS-10 and it is Class A. Given to him by Zack, who received it from Kaito, who received it from Kouta. Later returned to Kaito.

Kamen Rider Kurokage's Lockseeds

 * Matsubokkuri Lockseed (マツボックリロックシード): Allows Kamen Rider Kurokage to transform into Matsubokkuri Arms, equipped with the Kagematsu. Its code is LS-01 and it is Class C. One was shown in the possession of Zack. Ryoji has lost his first Matsubokkuri Lockseed to Team Gaim after he and Hideyasu beat Kaito, and had to buy another one from Sid, and lost that one to Bravo, which was most likely devoured by the Inves that became the Evolved Inoshishi Inves. He later obtains another one but it was later destroyed by Zangetsu, along with his Sengoku Driver. After that he got another one, but lost it when he was defeated by Baron in an Inves Game.

Kamen Rider Bravo's Lockseeds

 * Durian Lockseed (ドリアンロックシード): Allows Kamen Rider Bravo to transform into Durian Arms, equipped with the Duri Noko. Its code is LS-12 and it is Class A. It originally belonged to Sonomura of Team Red Hot who had received the last Sengoku Driver from Sid. However, he ended getting both the Driver and Lockseed confiscated by Oren Pierre Alfonzo for not only being too loud in his shop, but for having the Sengoku Driver in the first place, the blood-thirsty pastry chef viewing Sonomura as an unfit candidate to use the Driver.

Kamen Rider Knuckle's Lockseeds

 * Kurumi Lockseed (クルミロックシード): Allows Kamen Rider Knuckle to transform into Kurumi Arms, equipped with the Kurumi Bombers. Its code is LS-02 and it is Class C+. One was in the possession of Kaito Kumon before being given to Zack. The official image for it on TV-Asahi originally featured an open view, which was completely blank. This has since been revised to only show the closed version. Due to it featuring some holes where screws would be present on the toys, it may be an unfinished prop that was shown by mistake. The version used by Knuckle features a bottom flap with the weapon as the rest of the form Lockseeds do.
 * Suika Lockseed (スイカロックシード): Allows Kamen Rider Knuckle to transform into Suika Arms, a colossal mecha-like form that is capable of assuming 3 different modes (Yoroi, Odama, and Gyro) and equipped with a two unnamed boxing gloves in Yoroi Mode. Its code is LS-10 and it is Class A. Originally belonging to Kouta, he loaned it to Kaito, who later gave it to Zack, who then gave it to Hideyasu. It was then given back to Kaito who loaned it to him again.

Kamen Rider Bujin Gaim's Lockseeds

 * Blood Orange Lockseed (ブラッドオレンジロックシード): Allows Bujin Gaim to transform into Blood Orange Arms, equipped with a crimson version of the Daidaimaru. Like the original Orange Lockseed, its number is LS-07 and it is Class A. However, this Lockseed's voice is distorted to make it sound much deeper than the others. After his defeat by Wizard and Gaim, this Lockseed is taken by Ryugen to get himself, Baron, Gaim and Mai back to Zawame. It is presumably kept by him afterwards despite not being shown in Ryugen's eyecatch.

Kamen Rider Fifteen's Lockseeds

 * Fifteen Lockseed (フィフティーンロックシード): Allows Kamen Rider Fifteen to transform into his default Arms, equipped with the Bone Sword. Unlike other Lockseeds, it has no code. The core image depicts the chest armor of Fifteen and the gold kanji for "fifteen", while the lid backside image depicts the Bone Sword.

Kamen Rider Mars' Lockseeds

 * Golden Ringo Lockseed (金のリンゴロックシード): Allows Kamen Rider Mars to transform into Golden Arms, equipped with the Sword Bringer and Apple Reflector. Its code is LS-GOLD.

Kamen Rider Kamuro's Lockseeds

 * Silver Ringo Lockseed (銀のリンゴロックシード): Allows Kamen Rider Kamuro to transform into Silver Arms, equipped with the Souginjou. Its code is LS-SILVER.

Kamen Rider Gaim Yami's Lockseeds

 * Dark Orange Lockseed (闇オレンジロックシード): Also known as the Black Orange Lockseed (ブラックオレンジロックシード), allows Kamen Rider Gaim Yami transform into the Black Jimber Arms when used with the Dark Lemon Energy Lockseed.
 * Dark Lemon Energy Lockseed (闇レモンエナジーロックシード): Also known as the Black Lemon Energy Lockseed (ブラックレモンエナジーロックシード), allows Kamen Rider Gaim Yami to transform into the Black Jimber Arms when used with the Dark Orange Lockseed.

Kamen Rider Zangetsu Shin's Lockseeds

 * Melon Energy Lockseed (メロンエナジーロックシード): Allows Kamen Rider Zangetsu Shin to transform into Melon Energy Arms. Its code is ELS-04 and it is a Class S. After Takatora was betrayed by Ryoma and the others, this Lockseed falls to the possession of Mitsuzane, along with Takatora's Genesis Driver. Mitsuzane later uses them to make Kouta think Takatora has betrayed him, until he fought Oren, whose years of combat training allowed him to realize the false Zangetsu's fighting style, which was not Takatora's.

Kamen Rider Duke's Lockseeds

 * Lemon Energy Lockseed (レモンエナジーロックシード): Allows Kamen Rider Duke to transform into Lemon Energy Arms. Its code is ELS-01 and it is a Class S. Kouta Kazuraba was given a Lemon Energy Lockseed, along with a Genesis Core, by DJ Sagara after the latter was impressed by the former's sense of duty. It was later revealed that the Lemon Energy Lockseed and Genesis Core that DJ Sagara had were stolen from Ryoma's, though, he soon makes another one, along with a replacement Genesis Core.

Kamen Rider Sigurd's Lockseeds

 * Cherry Energy Lockseed (チェリーエナジーロックシード): Allows Kamen Rider Sigurd to transform into Cherry Energy Arms. Its code is ELS-02 and it is a Class S. Sigurd lost his first Cherry Energy Lockseed to Gaim after the Rider beat him with an enhanced Burai Kick while in Jimber Lemon Arms. He acquired another one, but it was later destroyed by Rosyuo's attack, along with his Genesis Driver, shortly before his death.
 * Sid Lockseed (シドロックシード): Seen in the initial trailer being held by Sid, then later appeared in the series proper. It appears to have an S shape on the front and is colored in black and gold. It is revealed that it can be used in a Lockseed compatible weapon and, if used to shoot/slice through specific Lockseeds, can summon autonomous versions of Lock Vehicles and Suika Arms armors to fight for him. When activated on the Sonic Arrow as seen in episode 24, it announces "Connecting" that used to be non-used Energy Lockseed sound. It is likely destroyed during his death by a rift of wall that crushes Sid.

Kamen Rider Marika's Lockseeds

 * Peach Energy Lockseed (ピーチエナジーロックシード): Allows Kamen Rider Marika to transform into Peach Energy Arms. Its code is ELS-03 and it is a Class S. Yoko lost her first Peach Energy Lockseed to Kouta when he ripped it out of her Genesis Driver after she cancelled her transformation. She acquired another one sometime later.

Kamen Rider Kurokage Shin's Lockseeds

 * Matsubokkuri Energy Lockseed (マツボックリエナジーロックシード): Allows Kamen Rider Kurokage Shin to transform into Matsubokkuri Energy Arms, equipped with an upgraded version of the Kagematsu. Its code is ELS-05 and it is Class S.

Inves Games Only

 * Himawari Lockseed (ヒマワリロックシード): This Lockseed is used to summon Elementary Inves to use in Inves Games. Its code is LS-00 and it is Class D. It appears to be a very common Lockseed, being used by Mitsuzane Kureshima, Mai Takatsukasa, Kaito Kumon, and Ryoji Hase with still others being sold by Lock Dealer Sid. Strangely, when opened, the bottom doesn't give any indication of an associated weapon. When not used for an Inves Game, this Lockseed can act like a food supply when attached on the Sengoku Driver. Additionally, the toy version doesn't have any sounds associated with a form either, giving it only the generic Inves Game announcements and Inves sounds.

Toy-Exclusive

 * Momotaros Lockseed (モモタロスロックシード): Allows the user to transform into Momotaros Arms. The core image depicts Momotaros announcing "Here I come!" (俺、参上！) while the lid backside image depicts the Momotarosword. Zangetsu-styled Lockseed.
 * Transformation: Momotaros Arms! Ore Sanjou!
 * Squash: MomotaroSquash (モモタロスカッシュ)
 * Au Lait: My Au Lait, Part 2 (俺のオレ、パートツー)
 * Sparking: MomotaroSparking! Let's go, let's go, let's go (モモタロスパーキング！ 行くぜ, 行くぜ, 行くぜ)
 * Ankh Lockseed (アンクロックシード): Allows the user to transform into Ankh Arms. The core image depicts Ankh holding his Core Medals while the lid backside image depicts the broken in half Taka Medal. Baron/Gridon-styled Lockseed.
 * Transformation: Ankh Arms! Happy Birth~Day!
 * Squash: Orange Ice (オレンジアイス)
 * Au Lait: Banana Ice (バナナアイス)
 * Sparking: Budou Ice (ブドウアイス)
 * Christmas Lockseed (クリスマスロックシード): A Christmas-themed Orange Lockseed.
 * Transformation: Happy Time!
 * Squash: Orange Squash (オレンジスカッシュ)
 * Au Lait: Orange Au Lait (オレンジ)
 * Sparking: Orange Sparking (オレンジ)
 * Roulette Lockseed (ルーレットロックシード): A modification of the Orange Lockseed used in the Kamen Rider Gaim board game.
 * Doesn't have any transformation sounds. Instead, it just acts as a method of playing the board game. If this Lockseed is using on Sengoku/Genesis Driver, it will annouce random number between 1-6.
 * Shocker Lockseed (ショッカーロックシード): Allows the user to transform into Shocker Arms, bearing the likeness of a Shocker Combatman. The core image depicts the Shocker belt worn by lower members of Shocker while the lid backside image is a small group of Shocker Combatmen. Gaim/Kurokage-styled Lockseed.
 * Transformation: Shocker Arms! Jigoku no gundan on Parade! Eeeee!
 * Squash: Japan will be ours! Eeeee (日本征服するぞ！ イー)
 * Au Lait: The world will be ours! Eeee, Eeee (世界征服するぞ！ イー, イー)
 * Sparking: The universe will be ours! Eeee, Eeee, Eeee (宇宙征服するぞ！ イー, イー, イー)

Lock Vehicle Lockseeds

 * Sakura Hurricane Lockseed (サクラハリケーンロックシード): Summons a Sakura Hurricane Rider Machine. It is Lockseed LV-01. Gaim obtains his during his battle with Baron from Lock Dealer Sid, which Ryugen temporarily borrowed. Kurokage got one from Sid to use in the Lockseed capture challenge, but kept it temporarily. Bravo also obtained one through unknown means, though he says that it wasn't hard. It isn't sure if Bravo has his still.
 * Rose Attacker Lockseed (ローズアタッカーロックシード): Summons a Rose Attacker Rider Machine. It is Lockseed LV-02. Baron obtains his during his battle with Gaim from Lock Dealer Sid. Ryugen obtained one from Sid off-screen to save Mai. Gridon received one from Sid during the Lockseed capture challenge, but kept it temporarily.
 * Dandeliner Lockseed (ダンデライナーロックシード): Summons a Dandeliner Rider Machine. It is Lockseed LV-03. The Kurokage Troopers, and Baron use one after picking it from Helheim, though Gaim obtained another one from DJ Sagara on episode 23, having owned a previous Dandeliner in The Fateful Sengoku Movie Battle, but was wrecked by Bujin Gaim in Lotus Position.
 * Tulip Hopper Lockseed (チューリップホッパーロックシード): Summons a Tulip Hopper Rider Machine. It is Lockseed LV-04. The Kurokage Troopers mainly use these, though DJ Sagara gave Gaim one as well.

Legend Rider Lockseeds
Listed as movie sets in some sources, the Legend Rider Lockseeds (レジェンドライダーロックシード) contain the power of a Kamen Rider that they are based on. The first set contains the Double and Wizard Lockseeds, while the second set includes the OOO and Fourze Lockseeds. The Arms of these Lockseeds are based off of the Rider it is based on, but doesn't exactly offer much of that form's abilities.

Like normal Lockseeds they contain images when opened, the inside image depicts the Rider's Transformation Belt while the image on the backside of the lid usually depicts the item which is inserted to commence transformation, or something else related to the Rider, denoting them as the ingredients that make the represented Rider.

These new armors for the Riders appeared in the Movie War film, Kamen Rider × Kamen Rider Gaim & Wizard: The Fateful Sengoku Movie Battle. These sets were released in December.

Legend Rider Lockseeds later appear in Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai where they are used by the villainous Kamen Rider Fifteen.

In the Movie War, the Legend Rider Lockseeds were created with the fusion between the transformation items belonging to four of the most recently defeated Bujin Riders (the Joker Memory, a Taka Medal, the Rocket Astroswitch, and the Flame Style Wizard Ring) and Helheim Fruit. In Kamen Rider Taisen, the Heisei Riders and Showa Riders are turned into Lockseeds when they are defeated, transported to the Badan Empire's lair before they are freed by ZX and Gaim.

When transforming into these Rider Arms, it may also change the user's personality into those of the Rider's, as Kamen Rider Zangetsu almost lost grip of his personality while in Fourze Arms.

In addition, Legend Rider Lockseeds based on non-main forms will announce its form name when activated/unlocked instead of its Rider name and usually has the same style as its main form Legend Rider Lockseed with a few exceptions (Ryuki/Ryuki Survive, Faiz/Faiz Blaster, and Fourze/Fourze Cosmic).

In-Series

 * Double Lockseed (ダブルロックシード): Allows Kamen Rider Ryugen to transform into Double Arms, equipped with the Trigger Magnum. The core image depicts the Double Driver while the lid backside image depicts the Joker Memory.
 * Squash: Maximum Drive (マキシマムドライブ)
 * Au Lait: Cyclone (サイクロン)
 * Sparking: Joker (ジョーカー)
 * OOO Lockseed (オーズロックシード): Allows Kamen Rider Baron to transform into OOO Arms, equipped with the Medajalibur. The core image depicts the OOO Driver while the lid backside image depicts the Taka Medal. Also a Gridon-styled Lockseed in the toyline.
 * Squash: Scanning Charge (スキャニングチャージ)
 * Au Lait: Seiya (セイヤ)
 * Sparking: Combo Change (コンボェンジ)
 * Fourze Lockseed (フォーゼロックシード): Allows Kamen Rider Zangetsu to transform into Fourze Arms, equipped with the Rocket Module. By channeling the Fourze Lockseed into the Heisei Rider Lockseed, Kamen Rider Fifteen can transform into Fourze Arms, which instead equips him with the Cosmic Module Barizun Sword. The core image depicts the Fourze Driver while the lid backside image depicts the Rocket Switch. Strangely a Gaim/Kurokage-styled Lockseed in the toyline.
 * Squash: Limit Break (リミットブレイク)
 * Au Lait: Drill On (ドリルン)
 * Sparking: Rocket On (ロケットン)
 * Wizard Lockseed (ウィザードロックシード): Allows Kamen Rider Gaim to transform into Wizard Arms, equipped with the WizarSwordGun. By channeling the Wizard Lockseed into the Heisei Rider Lockseed, Kamen Rider Fifteen can transform into Wizard Arms. The core image depicts the WizarDriver while the lid backside image depicts the Flame Ring. Also a Kurokage-styled Lockseed in the toyline.
 * Squash: Chōīne, Saikō (チョーイイネ, サイコー)
 * Au Lait: Special, Please (スペシャル, プリーズ)
 * Sparking: Slash Strike (スラッシュストライク)
 * Showa Rider Lockseed (昭和ライダーロックシード): Allows Kamen Rider Gaim to transform into any Rider Arms themed after the Showa-Era Riders, granting him access to a different variety of powers and abilities depending on the current set of Arms. The core image depicts the Typhoon while the lid backside image depicts the symbol of Kamen Rider 1. Only used for the Gaim/Kurokage-styled 1 Arms in the movie.
 * Squash: (Rider) Squash ((ライダー) スカッシュ)
 * Au Lait: (Rider) Au Lait ((ライダー) オーレ)
 * Sparking: (Rider) Sparking ((ライダー) スパーキング)
 * Heisei Rider Lockseed (平成ライダーロックシード): Allows Kamen Rider Fifteen to transform into any Rider Arms themed after the Heisei-Era Riders, equipped with a different Arms Weapon depending on the current set of Arms. The core image depicts the colorful lights while the lid backside image depicts the symbol of Gaim. Only used for the Gaim/Kurokage-styled Decade, Fourze, Wizard, and Gaim Arms in the movie.
 * Squash: (Rider) Squash ((ライダー) スカッシュ)
 * Au Lait: (Rider) Au Lait ((ライダー) オーレ)
 * Sparking: (Rider) Sparking ((ライダー) スパーキング)

Toy-Exclusive

 * 1 Lockseed (１号ロックシード): By channeling the 1 Lockseed into the Showa Rider Lockseed, Kamen Rider Gaim can transform into 1 Arms. The core image depicts the Typhoon while the lid backside image depicts Kamen Rider 1's Rider Kick gesture. Gaim/Kurokage-styled Lockseed in the toyline.
 * Transformation: 1 (Ichigō) Arms! Waza no Ichigō, Let's go!
 * Squash: Rider Punch (ライダーパンチ)
 * Au Lait: Cyclone (サイクロン号)
 * Sparking: Rider Kick (ライダーキック)
 * 2 Lockseed (２号ロックシード): Allows the user to transform into 2 Arms. Gaim/Kurokage-styled Lockseed.
 * Transformation: 2 (Nigō) Arms! Chikara no Nigō, Let's go!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * V3 Lockseed (Ｖ３ロックシード): Allows the user to transform into V3 Arms. Ryugen-styled Lockseed.
 * Transformation: V3 Arms! Chikara, Waza, Double Typhoon!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Riderman Lockseed (ライダーマンロックシード): Allows the user to transform into Riderman Arms. Gaim/Kurokage-styled Lockseed.
 * Transformation: Riderman Arms! Kagakusha Met On!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * X Lockseed (Xロックシード): Allows the user to transform into X Arms. Bravo/Knuckle-styled Lockseed.
 * Transformation: X Arms! Mr. Kaizorg!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Amazon Lockseed (アマゾンロックシード): Allows the user to transform into Amazon Arms. Bravo/Knuckle-styled Lockseed.
 * Transformation: Amazon Arms! Mr. Wildman!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Stronger Lockseed (ストロンガーロックシード): Allows the user to transform into Stronger Arms. Zangetsu-styled Lockseed.
 * Transformation: Stronger Arms! Aku wo Taose to Ore wo yobu!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Skyrider Lockseed (スカイライダーロックシード): Allows the user to transform into Skyrider Arms. Ryugen-styled Lockseed.
 * Transformation: Skyrider Arms! Sky, Henshin, Sail-ing Jump!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Super-1 Lockseed (スーパー１ロックシード): Allows the user to transform into Super-1 Arms. Ryugen-styled Lockseed.
 * Transformation: Super-1 Arms! Seki, Shin, Sho-rin Ken!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * ZX Lockseed (ZXロックシード): Allows the user to transform into ZX Arms. Gaim/Kurokage-styled Lockseed, though it initially did not appear in the movie.
 * Transformation: ZX Arms! Jūgō Cyborg Ninja!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Black Lockseed (BLACKロックシード): Allows the user to transform into Black Arms. Gaim/Kurokage-styled Lockseed.
 * Transformation: Black Arms! Seiki Oh Black Sun!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Black RX Lockseed (BLACK RXロックシード): Allows the user to transform into Black RX Arms. The core image depicts the Sun Riser while the lid backside image depicts the Revolcane. Baron/Gridon-styled Lockseed.
 * Transformation: Black RX Arms! Son of the Sun!
 * Squash: Revolcane (リボルケイン)
 * Au Lait: Robo Rider (ロボライダー)
 * Sparking: Bio Rider (バイオライダー)
 * Shin Lockseed (シンロックシード): Allows the user to transform into Shin Arms. Gaim/Kurokage-styled Lockseed.
 * Transformation: Shin Arms! Kaizou Heishi Level 3!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * ZO Lockseed (ZOロックシード): Allows the user to transform into ZO Arms. Zangetsu-styled Lockseed.
 * Transformation: ZO Arms! Daijizen Neo Seimeitai!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * J Lockseed (Jロックシード): Allows the user to transform into J Arms. Gaim/Kurokage-styled Lockseed.
 * Transformation: J Arms! Shingeki Jumbo Formation!
 * Squash: TBA
 * Au Lait: TBA
 * Sparking: TBA
 * Kuuga Lockseed (クウガロックシード): Allows the user to transform into Kuuga Arms. The core image depicts the Arcle while the lid backside image depicts Yusuke Godai's thumbs up gesture. Ryugen-styled Lockseed.
 * Transformation: Kuuga Arms! Chō Henshin, Ha-Ha-Ha!
 * Squash: Dragon Form (ドラゴンフォーム)
 * Au Lait: Pegasus Form (ペガサスフォーム)
 * Sparking: Titan Form (タイタンフォーム)
 * Agito Lockseed (アギトロックシード): Allows the user to transform into Agito Arms, equipped with the Storm Halberd and Flame Saber. The core image depicts the Alter Ring while the lid backside image depicts the Storm Halberd and Flame Saber. Zangetsu-styled Lockseed.
 * Transformation: Agito Arms! Mezamero, Sono Tamashii!
 * Squash: Flame Form (フレイム フォーム)
 * Au Lait: Storm Form (ストー ムフォーム)
 * Sparking: Trinity Form (トリニティフォーム)
 * Ryuki Lockseed (龍騎ロックシード): Allows the user to transform into Ryuki Arms, equipped with the Drag Saber. The core image depicts the V-Buckle while the lid backside image depicts the Dragreder Advent Card. Zangetsu-styled Lockseed.
 * Transformation: Ryuki Arms! Tatakawanakereba Ikinokorenai!
 * Squash: Final Vent (ファイナルベント)
 * Au Lait: Advent (アドベント)
 * Sparking: Sword Vent (ソードベント)
 * Ryuki Survive Lockseed (龍騎サバイブロックシード): Allows the user to transform into the Survive Form version of Ryuki Arms. The core image depicts the V-Buckle while the lid backside image depicts the Survive Rekka Advent Card. Uniquely-styled Lockseed.
 * Transformation: Ryuki Arms! Survive Rekka no Chikara!
 * Squash: Final Vent (ファイナルベント)
 * Au Lait: Advent (アドベント)
 * Sparking: Sword Vent (ソードベント)
 * Faiz Lockseed (ファイズロックシード): Allows the user to transform into Faiz Arms, equipped with the Faiz Edge. The core image depicts the Faiz Driver while the lid backside image depicts the Faiz Phone. Bravo/Knuckle-styled Lockseed.
 * Transformation: Faiz Arms! Mr. Justifaiz!
 * Squash: Exceed Charge (エクシードチャージ)
 * Au Lait: Faiz Edge (ファイズエッジ)
 * Sparking: Crimson Smash (クリムゾンスマッシュ)
 * Faiz Blaster Form Lockseed (ファイズブラスターフォームロックシード): Allows the user to transform into the Blaster Form version of Faiz Arms. The core image depicts the Faiz Driver without the Faiz Phone while the lid backside image depicts the folded-up Faiz Blaster. Uniquely-styled Lockseed.
 * Transformation: Faiz Arms! Blaster Awakening!
 * Squash: Photon Buster Mode (フォトンバスターモード)
 * Au Lait: Photon Breaker Mode (フォトンブレイカーモード)
 * Sparking: Super Strength Crimson Smash (超強化クリムゾンスマッシュ)
 * Blade Lockseed (ブレイドロックシード): Allows the user to transform into Blade Arms, equipped with the Blay Rouzer. The core image depicts the Blay Buckle while the lid backside image depicts the Change Beetle Rouze Card. Baron/Gridon-styled Lockseed.
 * Transformation: Blade Arms! Sword of Spade!
 * Squash: Lightning Sonic (ライトニングソニック)
 * Au Lait: Lightning Blast (ライトニングブラスト)
 * Sparking: Lightning Slash (ライトニングスラッシュ)
 * Hibiki Lockseed (響鬼ロックシード): Allows the user to transform into Hibiki Arms, equipped with the Ongekibou Rekka. The core image depicts the Ongekikou Kaentsuzumi while the lid backside image depicts the Onkaku. Zangetsu-styled Lockseed.
 * Transformation: Hibiki Arms! Tatakikome Kiyome no Oto!
 * Squash: Ongeki Da: Ikki Kasei no Kata (音撃打・一気火勢の型)
 * Au Lait: Ongeki Da: Bakuretsu Kyōda no Kata (音撃打・爆裂強打の型)
 * Sparking: Kitaetemasukara (鍛えてますから)
 * Kabuto Lockseed (カブトロックシード): Allows the user to transform into Kabuto Arms, equipped with the Kabuto Kunai Gun. The core image depicts the Kabuto Rider Belt while the lid backside image depicts the Kabuto Zecter. Gaim/Kurokage-styled Lockseed.
 * Transformation: Kabuto Arms! Ten no Michi My Way!
 * Squash: Cast Off (キャストオフ)
 * Au Lait: Clock Up (クロックアップ)
 * Sparking: Rider Kick (ライダーキック)
 * Den-O Lockseed (電王ロックシード): Allows the user to transform into Den-O Arms, equipped with the DenGasher Sword Mode. The core image depicts the Den-O Belt while the lid backside image depicts the Rider Pass. Gaim/Kurokage-styled Lockseed.
 * Transformation: Den-O Arms! Iza Climax!
 * Squash: Full Charge (フルチャージ)
 * Au Lait: Ikuze, ikuze, ikuze (行くぜ, 行くぜ, 行くぜ)
 * Sparking: Ore no Hissatsu Waza (俺の必殺技)
 * Den-O Climax Form Lockseed (電王クライマックスフォームロックシード): Allows the user to transform into the Climax Form version of Den-O Arms. The core image depicts the Den-O Belt with the K-Taros phone attatched while the lid backside image depicts the K-Taros. Gaim/Kurokage-styled Lockseed.
 * Transformation: Den-O Arms! Denkamori Climax!
 * Squash: Ii jan (いいじゃん)
 * Au Lait: Sugee jan (すげーじゃん)
 * Sparking: Ore-tachi no Hissatsu Waza (俺たちの必殺技)
 * New Den-O Lockseed (NEW電王ロックシード): Allows the user to transform into New Den-O Arms. The core image depicts the New Den-O Belt while the lid backside image depicts the Macheteddy. Bravo/Knuckle-styled Lockseed.
 * Transformation: New Den-O Arms! Mr. Countdown!
 * Squash: Full Charge (フルチャージ)
 * Au Lait: Macheteddy (マチェーテディ)
 * Sparking: Counter Slash (カウンタースラッシュ)
 * Kiva Lockseed (キバロックシード): Allows the user to transform into Kiva Arms. The core image depicts the Kivat Belt while the lid backside image depicts the Wake Up Fuestle. Baron/Gridon-styled Lockseed.
 * Transformation: Kiva Arms! King of the Vampire!
 * Squash: Wake Up (ウェイクアップ)
 * Au Lait: Gabu, gabu, gabu (ガブ, ガブ, ガブ)
 * Sparking: Garulu, Basshaa, Dogga (ガルル, バッシャー, ドッガ)
 * Decade Lockseed (ディケイドロックシード): By channeling the Decade Lockseed into the Heisei Rider Lockseed, Kamen Rider Fifteen can transform into Decade Arms, equipped with the Ride Booker. It is later used in the Ganbarizing trading card game, where the Lockseed on its own, as opposed to the Heisei Rider Lockseed, can be used by Gaim and Zangetsu, with a unique helmet design based on Decade's helmet. The core image depicts the Decadriver while the lid backside image depicts the Kamen Ride: Decade Rider Card. Gaim/Kurokage-styled Lockseed in the toyline.
 * Transformation: Decade Arms! Hakaisha on the Road!
 * Squash: Final Attack Ride: D-D-D-Decade (ファイナルアタックライド: ディ-ディ-ディ-ディケイド)
 * Au Lait: Kamen Ride: Decade (仮面ライド: ディケイド)
 * Sparking: Final Form Ride: D-D-D-Decade (ファイナルフォームライド: ディ-ディ-ディ-ディケイド)
 * Double CycloneJokerXtreme Lockseed (ダブルサイクロンジョーカーエクストリームロックシード): Allows the user to transform into the CycloneJokerXtreme version of Double Arms. The core image depicts the Xtreme Memory in Memory Mode while the lid backside image depicts the Xtreme Memory in Live Mode. Ryugen-styled Lockseed.
 * Transformation: Double Arms! Cyclone, Joker, Xtreme!
 * Squash: Xtreme Maximum Drive (エクストリームマキシマムドライブ)
 * Au Lait: Prism Bicker (プリズムビッカー)
 * Sparking: Double Prism Xtreme (ダブルプリズムエクストリーム)
 * Joker Lockseed (ジョーカーロックシード): Allows the user to transform into Joker Arms. The core image depicts the Lost Driver while the lid backside image depicts the Joker Memory. Ryugen-styled Lockseed.
 * Transformation: Joker Arms! Joker, Kirifuda, Sei-ya Ha!
 * Squash: Maximum Drive, let's go (マキシマムドライブ、いくぜ)
 * Au Lait: Rider Punch (ライダーパンチ)
 * Sparking: Rider Kick (ライダーキック)
 * Skull Lockseed (スカルロックシード): Allows the user to transform into Skull Arms. The core image depicts the Lost Driver while the lid backside image depicts the Skull Memory. Gaim/Kurokage-styled Lockseed.
 * Transformation: Skull Arms! Otoko-michi Hardboiled!
 * Squash: Skull Punisher (スカルパニッシャー)
 * Au Lait: Nobody's Perfect (ノーバディーズパーフェクト)
 * Sparking: Now, count up your sins (さあ、お前の罪を数えろ)
 * OOO Tajadol Combo Lockseed (オーズタジャドルコンボロックシード): Allows the user to transform into the Tajadol Combo version of OOO Arms. The core image depicts the OOO Driver while the lid backside image depicts Ankh's three Core Medals: Taka, Kujaku, and Condor. Baron/Gridon-styled Lockseed.
 * Transformation: OOO Arms! Ta~Ja, Ta~Ja~Dol!
 * Squash: Taka Squash (鷹スカッシュ)
 * Au Lait: Kujaku Au Lait (孔雀オーレ)
 * Sparking: Condor Sparking (コンドル スパーキング)
 * OOO Putotyra Combo Lockseed (オーズプトティラコンボロックシード): Allows the user to transform into the Putotyra Combo version of OOO Arms. The core image depicts the OOO Driver while the lid backside image depicts the three Purple Core Medals: Ptera, Tricera, and Tyranno. Baron/Gridon-styled Lockseed.
 * Transformation: OOO Arms! Pu-To-Tyranno~Sau~rus!
 * Squash: Gokkun (ゴックン)
 * Au Lait: Ptera, Tricera, Tyranno (プテラ, トリケラ, ティラノ)
 * Sparking: Putotyranno Hissatsu (プトティラノヒッサツ)
 * Fourze Cosmic States Lockseed (フォーゼコズミックステイツロックシード): Allows the user to transform into the Cosmic States version of Fourze Arms. The core image depicts the Fourze Driver with the Cosmic Switch in place while the lid backside image depicts the Cosmic Switch. Zangetsu-styled Lockseed.
 * Transformation: Fourze Arms! Minna no Kizuna de Uchu wo Tsukamu!
 * Squash: Uchū Kitā (宇宙キター)
 * Au Lait: Danger (デンジャー)
 * Sparking: Rider Super Galaxy Finish (ライダー超銀河フィニッシュ)
 * Meteor Lockseed (メテオロックシード): Allows the user to transform into Meteor Arms. The core image depicts the Meteor Driver while the lid backside image depicts the Meteor Switch. Ryugen-styled Lockseed.
 * Transformation: Meteor Arms! Hwacha, Ha-Ha-Ha!
 * Squash: Meteor Limit Break (メテオリミットブレイク)
 * Au Lait: Hwacha (ワーチャー)
 * Sparking: Mars, Saturn, Jupiter (マーズ, サターン, ジュピター)
 * Wizard Infinity Style Lockseed (ウィザードインフィニティスタイルロックシード): Allows the user to transform into the Infinity Style version of Wizard Arms. The core image depicts the WizarDriver while the lid backside image depicts the Infinity Ring. Gaim/Kurokage-styled Lockseed.
 * Transformation: Wizard Arms! Kira Kira Infinity!
 * Squash: High Touch (ハイタッチ)
 * Au Lait: Finale (フィナーレ)
 * Sparking: Shining Strike (シャイニングストライク)
 * Beast Lockseed (ビーストロックシード): Allows the user to transform into Beast Arms. The core image depicts the Beast Driver while the lid backside image depicts the Beast Ring. Bravo/Knuckle-styled Lockseed.
 * Transformation: Beast Arms! Mr. Mayonnaise!
 * Squash: Saber Strike (セイバーストライク)
 * Au Lait: Gochisō (ご馳走)
 * Sparking: Kick Strike (キックストライク)
 * Gaim Lockseed (鎧武ロックシード): By channeling the Gaim Lockseed into the Heisei Rider Lockseed, Kamen Rider Fifteen can transform into Gaim Arms, equipped with the Daidaimaru as his Arms Weapon and the Musou Saber as his side weapon. Gaim/Kurokage-styled Lockseed in the toyline. It was first released in the toyline as a gift for moviegoers who have purchased tickets for the Gaim movie as the Movie Special Clear Version (劇場スペシャルクリアVer.). The core image depicts the Sengoku Driver in Orange Arms while the lid backside image depicts the Orange Lockseed.
 * Transformation: Gaim Arms! Fruit Yoroi Musha on Parade!
 * Squash: Orange Squash (オレンジスカッシュ)
 * Au Lait: Jimber Lemon Au Lait (ジンバーレモンオーレ)
 * Sparking: Kachidoki Sparking (カチドキスパーキング)
 * Exclusive Sound: Natsuyasumi wa Eigakan de on Stage (夏休みは映画館でオンステージ)

Portrayal
The voice of the Lockseeds, as well as the Sengoku Driver, Musou Saber and DJ Gun, is provided by Seiji Hiratoko (平床 政治). The Energy Lockseeds, as well as the Genesis Driver and the Sonic Arrow, is provided by Shin-ichiro Miki (三木 眞一郎).

Conception
An interview with Kamen Rider Gaim producer Naomi Takebe in Hyper Hobby revealed the inspiration for the Lockseeds arising in early design meetings, with the sentences “Opening a new world” and “Unlocking potential” in mind. After some research it was decided that locks were the best choice, being something that has never been used in Kamen Rider. This decision was made at a very early point, with Takabe noting that they had no idea what the story was even going to be like then.

Non-shown sounds

 * Basic Lockseeds: "You Lose" and "Rank Up".
 * Energy Lockseeds: "Energy Standby", "Energy Shutdown", and "System Start".
 * Kachidoki Lockseed: Various sounds.(Often battle cry.)
 * Kiwami Lockseed: Various quotes from Kouta and the Priestess of Fate.
 * Legend Rider Lockseeds: "Legend Rider Battle Start", "(Rider) win", "Try again", and "(Rider) Power", the latter of which can be activated by pulling the trigger on the Musou Saber after performing a "Rider Charge".
 * Apple Lockseeds: Crack opening and closing sounds.