Using (a brief form change to the female Rider Kivala, though Decade mostly stays in his normal form) and eventually Final Form Ride: Abyss , Decade turns Abyss into a giant shark-shaped wind turbine. Riding the winds on his kite, Decade performs a Final Attack Ride: D-D-D-Decade slash, destroying Abyss and calming the storm.
Decade fights Abyss but struggles against his wind-based attacks. Yuto reveals that Abyss was once a protector of this world, but a "Rider War" corrupted him. To stop the endless storm, Decade must use a special —a transforming glider that lets him ride the very winds Abyss creates. kamen rider decade ride the wind
Tsukasa, along with Natsumi and Yuusuke Onodera (Kuuga), travels to Yuto's world—a dimension powered by and wind energy. There, they encounter Kamen Rider Abyss , a shark-themed Rider originally from Kamen Rider Ryuki , but now acting as a violent storm-bringer, tearing the world apart with hurricane-force winds. Using (a brief form change to the female
In the end, Yuto's world is saved, but Yuto himself disappears—revealed to be a memory projection of the world's will. Tsukasa muses that another Rider's story has ended, and they move on to the next world. Yuto reveals that Abyss was once a protector