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This article is about a/an item in Kamen Rider Zi-O.
"According to this book, today will be a very special day for you."
Woz to Sougo Tokiwa[src]
Great Calamity Coming Calendar

Oma Advent Calendar

Giant Oma Advent Calendar

Woz using Oma Advent Calendar to trap Kamen Rider GeizRevive.

The Oma Advent Calendar (逢魔降臨暦 Ōma Kōrin Reki), alternatively spelled Ohma Advent Calendar, is a book from the year 2068 which details the rise of the overlord Oma Zi-O, whom supposedly began as Sougo Tokiwa. It is held and consulted by Oma Zi-O's servant and prophet Woz, who seeks to preserve the history of his master. This book is written in English.GO! GO! Ghost 2015This book can even display moving images of Zi-O and his actions.2019: Missing World Woz is able to use this book for combat up to a limited extent, using it to temporarily entrap his targets. When he is attacked, Woz appears to "bleed out" pages of this book. The Beginning of Everything 2009

Record

Woz reading his book

Woz is reading Oma Advent Calendar

Through this book, Woz was aware that Sougo Tokiwa first transformed into Kamen Rider Zi-O, which Woz viewed as Sougo's first step to one day becoming King of the world. Traveling back to this day, Woz told Sougo that it would be a momentous one for him, but that he must beware the "red robot". Indeed, after Woz appeared, Sougo was attacked by the Time Mazine, a red-colored giant robot piloted by Geiz Myokoin, whom also travelled back from 2068. When Sougo unlocked the Zi-O Ridewatch, Woz appeared before him again and urged him to use his new power to shape the world to his will. Sougo, having been made aware by Tsukuyomi that Oma Zi-O was the most despised tyrant in history, vowed to instead become the greatest and most beloved king. Though this came as a surprise to Woz, he nevertheless provided Sougo with the Ziku-Driver which enabled the youth to achieve his fated transformation into Kamen Rider Zi-O. Kingdom 2068

Following Zi-O's first battle, Woz informed Sougo that he was destined to rise as the ruler of time through a path of conquest. He also warned him of the Time Jackers who sought to impede his ascension in an attempt to groom others to become king. Soon after, Woz informed him that the emergence of Another Build has altered history, usurping Sento Kiryu as Kamen Rider Build. He warned Sougo that, even as a potential overlord, he was yet to acquire the ability to defeat Another Build, who was being engaged by Geiz in the meantime. Traveling to 2017, Woz caught up with Sougo as he accessed the Build Ridewatch, advising him that victory would include a great deal of responsibility. It was at this point that Sougo used the Ridewatch to assume the BuildArmor, commemorated by Woz as the first time Zi-O would receive the power of another Kamen Rider. Best Match 2017

Supplementary Plan

In Kamen Rider Zi-O: Supplementary Plan, the Oma Advent Calendar serves as Woz's script. Mystery of Naming

Behind the scenes

As the chronicle of Zi-O, it is from the Oma Advent Calendar that Woz reads the recap of each prior episode. Likewise, previews for the next episodes are projected from its pages.


Merchandise

Medal Holder-Zi-O

Medal Holder.

The design of the Oma Advent Calendar was adapted into a Buttobasoul Medal Holder.


See also

Sougo Tokiwa (Oma Zi-O, Mirror World) - Geiz Myokoin - Woz (black, white) - Tsukuyomi
Future Kamen Riders
2022: Rentaro Kagura - Isamichi Konjo
2040: Mondo Douan
2121: Rento Makina
Ginga
Rider Time Ryuki Riders
Ishihashi - Tozuka - Kimura - Ishida - Abyss - Odin
Another World Riders
G4 - Fuma - Dark Ghost - Rey - Katsumi Daido - White Woz - Yuuki
Other Riders
G3 Team - Shun Kageyama (Worm)
Movie-exclusive Riders
SOUGO Tokiwa - Kagen - Jogen
Ziku-Driver - Ridewatches - BeyonDriver - Mirai Driver (Shinobi, Hattari, Quiz, Kikai, Ginga) - Zikan Girade - Zikan Zax - Ride HeiSaber - Zikan Despear - Saikyo Girade - Zikan Jaclaw - Faizphone X - Taka Watchroid - Kodama Suika Arms - Ride Striker - Time Mazine - Kurogane Oogama - Unnamed Giant Wasp Mecha - Neo Decadriver - Neo Diendriver
Others/Terminology
Rider Armors - Ridewatch Holder - Oma Advent Calendar - Future Note - Time Break/Burst/Explosion
Allies
9 5 DO: Geiz Myokoin - Tsukuyomi - Junichiro Tokiwa
Others
Futaros - Ataru Hisanaga - Shingo Hisanaga - Iroha Kagura - Master Gamano - Sara - Ms. Sailor - Oda Nobunaga - Clara Steinbelt
Resistance: Resistance Captain
Agito: Shouichi Tsugami - Takahiro Omuro
Ryuki: Shinji Kido - Dark Shinji - Ren Akiyama - Takeshi Asakura - Miyuki Tezuka - Jun Shibaura - Goro Yura
555: Takumi Inui - Masato Kusaka
Blade: Kazuma Kenzaki - Hajime Aikawa
Hibiki: Tomizo Todayama - Kyosuke Kiriya
Kabuto: Arata Kagami - Sou Yaguruma
Den-O: Ryotaro Nogami - Yuto Sakurai
Kiva: Jiro
Decade: Tsukasa Kadoya - Daiki Kaito
OOO: Eiji Hino - Michal Minato
Fourze: Gentaro Kisaragi
Wizard: Haruto Soma - Kosuke Nitoh
Gaim: Kouta Kazuraba - Kaito Kumon
Drive: Go Shijima - Chase
Ghost: Takeru Tenkuji - Makoto Fukami
Ex-Aid: Emu Hojo - Hiiro Kagami - Kuroto Dan
Build: Sento Kiryu - Ryuga Banjo - Kazumi Sawatari - Gentoku Himuro
Others
Chuta Ohsugi - Daita Kondou - Chikao Nezu - Hina Izumi - Shibuya Hachioji - Narita Kisarazu - Misora Isurugi - Master of Fumen - Owner - Momotaros - Urataros - Kintaros - Ryutaros - Daisuke Okubo - Amane Kurihara - Mana Kazaya - Riki - Ramon - Deneb - Krim Steinbelt
Swartz - Heure - Ora
Movie Exclusive
Tid
SOUGO Tokiwa - Kagen - Jogen - Woz
Another Build - Another Ex-Aid - Another Fourze - Another Faiz - Another Wizard - Another OOO - Another Gaim - Another Den-O - Another Double - Another Kuuga - Another Ghost - Another Shinobi - Another Quiz - Another Ryuga - Another Kikai - Another Zi-O (II) - Another Ryuki - Another Blade - Another Agito (troops) - Another Hibiki - Another Kiva - Another Kabuto - Another Drive - Another Decade
Other Villains
Kasshin - Humanoise - Yaminin - Dustards - Worms
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