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Icon-decade
This article is about a/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) is a cataclysmic event which occurred during the merging of the A.R. Worlds which was by then called the World of the Rider War.

After Tsukasa Kadoya traveled to multiple A.R. Worlds, Wataru Kurenai appeared before him saying that his true mission was to defeat the Nine Heisei Riders. Wataru stated that in order to save the worlds, Decade should have defeated those worlds Riders in order for these worlds' stories to unite with each other through him. Instead, by befriending the Riders of each world, Tsukasa unintentionally did not prevent the merging. The result was that all the A.R. Worlds' Riders faded (with the exception of Yusuke Onodera).

After being attacked by the original Riders, Tsukasa realized what needs 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 transforming into its respective Rider. 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 Shouichi 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 Dark Shinji
Kamen Rider Faiz
Takumi Inui
Kamen Rider Kaixa Masato Kusaka
Kamen Rider Delta Shūji 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
Souji Tendou
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.

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