A powerful relic given to [[Ultraman Zero]] in [[Ultraman Zero The Movie Choukessen! Belial Ginga Teikoku]] (aka Ultraman Zero: The Revenge Of Belial)

[spoiler]It also enables him, [[Ultraman Dyna]], and [[Ultraman Cosmos]] to fuse their powers to transform into [[Ultraman Saga]].[/spoiler]
ultra bracelet (ultraman zero)