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Raidrise! Invading Horseshoe Crab! Heavily produced battle armor equipped with extra battle specifications.
~ Transformation announcement via Raidriser.

Battle Raiders are soldier-type Raiders and supporting antagonists in Kamen Rider Zero-One. The members of A.I.M.S. transform with mass-produced variants of the RaidRiser developed by Zaia Enterprise and the Stinging Horseshoe Crab Progrise Key into Battle Raiders.


After using the Workplace Competition as an opportunity to test the RaidRiser, ZAIA made the product available for purchase and began selling it to A.I.M.S. for their members to use.

When ZAIA acquired Hiden Intelligence and began the process of recalling and deactivating all HumaGears, the members of A.I.M.S. used RaidRisers to become Battle Raiders to scrap any HumaGears that had survived the recall and were still active. Two Battle Raiders, A.I.M.S. members Eida and Ono, accompanied Gai Amatsu and Yua Yaiba when they went to go recover Izu from Aruto Hiden and Jin. However, the Raiders were beaten back by Kamen Riders Zero-One, Vulcan and Jin. When Hiden Manufacturing repaired the fashion model HumaGear Delmo for a runway show, Degawa and Shida accompanied Yua on A.I.M.S.'s attack on Hiden Manufacturing and became Battle Raiders to combat the Kamen Riders. While at first they were able to overpower Zero-One with assistance from Kamen Rider Vulcan Assault Wolf, who had become possessed by Naki, Kamen Rider Jin Burning Falcon suddenly arrived and assisted Zero-One in driving away the A.I.M.S. forces.

Deeming Yua to be a failure, Gai sent out A.I.M.S. Battle Raiders Eifuku and Ito to deal with her, but Vulcan fought them off. Later, when Yua failed to apprehend a HumaGear that had been reactivated, the tennis HumaGear Love-chan, Gai showed up accompanied by Eifuku and Ito and told Yua to step aside, confronting Aruto Hiden and Isamu Fuwa. After Gai revealed that Fuwa's memories of his junior high school being attacked by HumaGears were fake memories that he had inserted and caused him to have a breakdown, Aruto and Yua suited up to fight Gai's forces. While Gai became Kamen Rider Thouser and fought Valkyrie, Eifuku and Ito became Invading Horseshoe Crab Raiders to deal with Zero-One. As Vulcan joined the fight and helped Valkyrie defeat Thouser, Zero-One defeated both Raiders.

ZAIA later made the RaidRiser available for civilian use, allowing ordinary citizens to transform into Invading Horseshoe Crab Raiders to defend themselves from ZAIASpec users hacked by MetsubouJinrai.NET.


  • In addition to both being solid gray-colored henchmen, the Invading Horseshoe Crab Raiders are similar to the Trilobite Magia in that trilobites and horseshoe crabs are both marine arthropods that existed at the same time hundreds of millions of years ago.
  • The Invading Horseshoe Crab Raider suits are retooled from the Battle Magia from Kamen Rider: Reiwa The First Generation.


           Kamen rider zero one logo.png Villains

Ark | Horobi | Naki | Jin | Ikazuchi | Little Assassin | Azu | Kamen Rider MetsubouJinrai
Magia: Berotha Magia | Kuehne Magia | Ekal Magia | Neohi Magia | Onycho Magia | Vicarya Magia | Gaeru Magia | Mammoth Magia | Dodo Magia | Arsino Magia | Trilobite Magia | Dodo Magia Chick

ZAIA Enterprise
Lyon Arkland | Gai Amatsu | Makio Nodachi | Masamitsu Yuto | Azu | Giger
A.I.M.S.: Isamu Fuwa | Yua Yaiba | Eida | Ono | Degawa | Shida | Eifuku | Ito
Raiders: Crushing Buffalo Raider | Splashing Whale Raider | Dynamiting Lion Raider | Storming Penguin Raider | Scouting Panda Raider | Battle Raiders
Solds: Sold9 | Sold20

S | Bell | Moore | Lugo | Buga | Kamen Rider Abaddon

Alternate Timeline
Finis | Will | Soreo Hiden | Battle Magia

Kuroto Dan | Masamune Dan