Kamen Rider Kiva
Tsukasa uses the belt and to become Kamen Rider Decade, using to assume the form of a Kamen Rider and access their arsenal via the , , and . He can also use the to transform another Kamen Rider into a new form for a combo attack. During the events of "Kamen Rider × Kamen Rider W &amp; Decade: Movie War 2010", Decade becomes a destructive embodiment of himself known as before he was defeated by Natsumi as Kamen Rider Kiva-la.