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Icon-decadeThis article is about an event in Kamen Rider Decade.

For the episodes of Kamen Rider Decade that feature this war, see Rider War (episode) and Rider War: Prologue.

The Rider War (ライダー大戦, Raidā Taisen) was a cataclysmic event that occurred during the merging of the A.R. Worlds in the World of the Rider War.

After Tsukasa Kadoya traveled to multiple A.R. Worlds, Wataru Kurenai appeared before him saying that in order to stop the merging of the worlds, his true derivative was top defeat the Nine Heisei Riders in order for these worlds' stories to unite with each other through him. However as a result of him befriending the Riders of each world instead, the merge inevitably occurred and the A.R. Worlds' Riders faded away (with the exception of Yusuke Onodera).

After being attacked by the original Riders, Tsukasa realized what needed to be done, thus allowing Decade's base form to evolve. Known as Decade Violent Emotion, this form allowed him access to every Kamen Rider's powers without needing to transform into its respective Rider (e;g AttackRide: Clock Up without needing to transform into Kabuto first). With this new power, Decade became more aggressive. One by one, he hunted the Riders in order to fulfill his true mission, separating himself from the others.

After defeating the pre-Decade Riders, Tsukasa allowed Kamen Rider Kiva-la to mortally wound him, so that Natsumi can become the connection between the Riders and the Rider War would end in Decade's death.

Participants[]

Kamen Rider Decade Tsukasa Kadoya
Kamen Rider Diend Daiki Kaito
Kamen Rider Kuuga Yusuke Onodera
Kamen Rider Agito Shoichi Tsugami
Kamen Rider G3‑X Makoto Hikawa
Kamen Rider G4 Shiro Mizuki
Kamen Rider Ryuki Shinji Kido
Kamen Rider Zolda Shuichi Kitaoka
Kamen Rider Ryuga Mirror Image Shinji
Kamen Rider Faiz Takumi Inui
Kamen Rider Kaixa Masato Kusaka
Kamen Rider Delta Syuji Mihara
Riotrooper Multiple Users
Kamen Rider Psyga Leo
Kamen Rider Orga Yuji Kiba
Kamen Rider Blade Kazuma Kenzaki
Kamen Rider Garren Sakuya Tachibana
Kamen Rider Chalice Hajime Aikawa
Kamen Rider Glaive Junichi Shimura
Kamen Rider Lance Shin Magaki
Kamen Rider Hibiki Hitoshi Hidaka
Kamen Rider Ibuki Iori Izumi
Kamen Rider Touki Touki
Kamen Rider Kabuto Soji Tendo
Kamen Rider TheBee Masato Mishima
Kamen Rider Drake Daisuke Kazama
Kamen Rider Sasword Tsurugi Kamishiro
Kamen Rider Gatack Arata Kagami
Kamen Rider Caucasus Issei Kurosaki
Kamen Rider Hercus Hidenari Oda
Kamen Rider Ketaros Tetsuki Yamato
Kamen Rider Den-O Ryotaro Nogami
Kamen Rider Zeronos Yuto Sakurai
Kamen Rider Kiva Wataru Kurenai
Kamen Rider Ixa Keisuke Nago
Kamen Rider Rey Takato Shiramine

Gallery[]

Notes[]

Rider War and Legend War

Narutaki compares the Rider War with the Legend WarIcon-crosswiki of Kaizoku Sentai GokaigerIcon-crosswiki.

Navigation[]

Icon-decade Kamen Rider Decade
Kamen Riders
Primary: Tsukasa Kadoya - Daiki Kaito - Natsumi Hikari
A.R. Kamen Riders: Wataru Kurenai - Yusuke Onodera - Wataru - Shinji Tatsumi - Kazuma Kendate - Takumi Ogami - Shouichi Ashikawa - Momotaros - Ryotaro Nogami - Sohji - Asumu - Kohtaro Minami (Black RX) - Kohtaro Minami (Black) - Kamen Rider X (A.R. World) - Daisuke Yamamoto - Kazuma Kenzaki - Joji Yuki - Yuriko Misaki
A.R. Evil Kamen Riders: Chinomanako - Mimihiko - Kuchihiko - Kamata - Otoya Kurenai - Hirohiko Sato - Kenji Sakata - Kazuyoshi Aoyagi - Tanaka
Other A.R. World Riders: Ren Haguro - Scissors - Zolda - Femme - Verde - Tiger - Imperer - Odin - Raia - Gai - Sakuya Hishigata - Mutsuki Kuroba - Takahiro Furuya - Kotaro Nogami - Arata - Ibuki - Zanki - Todoroki - Akira - Junichi Kaito - Haruka Miwa - Shin Magaki - X - Ixa - Saga
Prime Universe Kamen Riders: Shoichi Tsugami - Kotaro Nogami - Urataros - Kintaros - Ryutaros - Sieg - Philip - Shotaro Hidari
Arsenal
Drivers: (Neo) Decadriver - (Neo) Diendriver - Kiva-la
Transformation Gear: Rider Cards - K-Touch - Card Holder - Diend Belt
Weapons: Ride Booker - Final Form Rides - Decade Bazooka - Kiva-la Saber
Vehicles: Machine Decader - Machine Diender - Big MachineIcon-crosswiki
Hikari Studio
Natsumi Hikari - Kiva-la - Eijiro Hikari
Other Allies
Ai Yashiro - Kivat-bat the 3rd - Garulu - Basshaa - Dogga - Reiko Momoi - Ai - Mai - Mi - Yuri Tomoda - Toko Yashiro - Deneb - Teddy - Kohana - Naomi - Owner - Toki - Yu - Grandma - Mayu - Natsumi Hikari - Chinatsu - Hikoma KusakabeIcon-crosswiki - KurokoIcon-crosswiki - Kurando TaniIcon-crosswiki - ShinkengersIcon-crosswiki - Masahiko Okamura (A.R. World) - Ritsuko Okamura (A.R. World)
Dai-Shocker
Dr. Shinigami - Jigoku Taishi - Apollogeist - Jyumenki Yum Cimil - Shadow Moon - Kingdark - General Jark - Bishum - Yuki - Shvarian - Televi Bae-Kun
Worlds of Black & Black RX: Scorpion Imagin - Seamoon Fangire - Mantis Fangire - Rhinoceros Mutant - Ox Orphnoch - Worm Orphnoch - Frilled Lizard Orphnoch - Brachypelma Worm Aurantium - Brachypelma Worm Viridis - Tarantes Worm Purpura
World of Decade: Siomaneking - Ganikoumoru - Doras - Garai - Me·Vagis·Ba - Xu·Mevio·Da - Me·Ginoga·De - Go·Gadol·Ba - Leiurus Acutia - Formica Regia - Formica Pedes - Sheerghosts - Raydragoons - Psycorogue - Butterfly Orphnoch - Giraffe Orphnoch - Longhorn Orphnoch - Slug Orphnoch - Wild Boar Orphnoch - Pelican Orphnoch - Stinkbug Orphnoch - Arch Orphnoch - Elephant Undead - Giraffa Undead - Darkroachi - Kappa - Bakeneko - Hitotsumi - Coleoptera Worm Aeneus - Coleoptera Worm Croceus - Coleoptera Worm Argentum - Geophilid Worm - Subst Worm - Cassis Worm Gladius - Albinoleo Imagin - Mole Imagin - Rat Fangire - Sungazer Fangire - Bat Fangire
World of Amazon: Go·Jalaji·Da - Propheta Cruentus - Camponotus Worm Maxilla - Bakeneko - Yobuko
Dai-Shocker Combatmen - Dai-Shocker Scientists - Destron Combatmen
Super Shocker
Narutaki - Wasp Woman - Neo Organism
Zanjioh - Jaguarman - Beaded Lizard Man - Hilchameleon - Xu·Goma·Gu - Go·Jalaji·Da - Volucris Falco - Solospider - Scorpion Orphnoch - Titan Undead - Kodama - Sectio Worm Acuere - Cobra Imagin - Gecko Imagin - Sungazer Fangire
Super Shocker Combatmen
Gurongi
N·Gamio·Zeda
World of Kuuga: Me·Garido·Gi - La·Doldo·Gu - Go·Babel·Da - Go·Bemiu·Gi - Me·Byran·Gi - Go·Jaaza·Gi - Me·Garima·Ba
World of Agito: Me·Vagis·Ba - Xu·Mevio·Da - Me·Ginoga·De
The Lords
Taurus Ballista
Formica Regia - Formica Pedes
Mirror Monsters
The Contract Monsters
World of Ryuki: Darkwing - Volcancer - Destwilder - Gigazelle - Abyssodon (Abysshammer - Abysslasher)
World of Negatives: Dragblacker
Wild Mirror Monsters
World of Ryuki: GuldThunder - Zebraskull Bronze - Megazelle - Negazelle - Omegazelle - Magazelle
World of Den-O: Gelnewt
World of Negatives: Raydragoons
Orphnochs / Lucky Clover
Momose - Shukawa - Genda - Shirogane
Butterfly Orphnoch
The Undead
World of Blade: Kamata - Hajime Shijo
Buffalo Undead - Elephant Undead - Capricorn Undead
World of Diend: Fourteen - Bossroach - Darkroachi
World of the Rider War: Deer Undead - Scarab Undead - Lizard Undead
魔化魍 Makamou
Gyuki - Bakegani
Kappa - Bakeneko - Ooari - Tengu - Ubume
Worm
Soh Otogiri
Coleoptera Worm Argentum - Geophilid Worm - Subst Worm
The Imagin
Alligator Imagin - New Mole Imagin
The Fangires
Beetle Fangire - Yuki
World of Kiva: Ryo Itoya - Swallowtail Fangire - Lion Fangire
World of the Rider War: Shark Fangire - Silkmoth Fangire - Horsefly Fangire - Warthog Fangire
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