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Downfall is a terrorist organization bent on world domination and the main antagonistic faction of the 2019 film Kamen Rider Build NEW WORLD: Kamen Rider Grease.

They are led by Simon Marcus, a Deputy Officer of the United Nations, and their personnel includes mad scientist Keiji Uraga. They emerged some time after Killbus was defeated and the rest of Team Build got their memories restored.

History

During a meeting between Simon Marcus and officials of the Japanese government to discuss the Rider System, Downfall members led by Keiji Uraga staged an attack. Revealing himself as Downfall's leader, Simon Marcus defeated Kamen Rider Rogue and took the Japanese government building hostage.

Downfall then sent Phantom Crushers to track down and disable the transformation abilities of the other Kamen Riders. However, with assistance from the New World Takumi Katsuragi, Sento Kiryu was able to develop a concoction from Nebula Gas that restored the Riders' ability to transform.

The Kamen Riders then attacked Downfall and defeated all of their members, liberating Japan from their grasp.

Members

Gallery

Navigation

           BUILD LOGO Villains

Faust
Night Rogue | Blood Stalk | Takumi Katsuragi | Nariaki Utsumi | Shingo Kuwata | Eita Kawai | Masahiro Nabeshima | Norio Matsui | Yoshikazu Takahashi | Shinobu Katsuragi | Faust Guardians

Hokuto
Yoshiko Tajimi | Blood Stalk | Kazumi Sawatari | Hokuto Three Crows | Akaba | Aoba | Kiba | Massugu Ubukata | Hokuto Guardians

Seito
Masakuni Mido | Kamen Rider Rogue | Fu Washio | Rai Washio | Seito Guardians | Hard Guardians

Namba Heavy Industries Ltd.
Juzaburo Namba | Nariaki Utsumi | Fu Washio | Rai Washio | Sawa Takigawa | Kaisei Mogami | Guardians | Hard Guardians

Blood Tribe
Killbus | Evolt | Kengo Ino | Ryoka Saiga | Mitsuomi Gohara

Smash
Needle Smash | Strong Smash | Burn Smash | Flying Smash | Press Smash | Ice Smash | Stretch Smash | Fang Smash

Downfall
Simon Marcus | Keiji Uraga | Phantom Crushers | Guardians | Hard Guardians

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