There seems to be an unprecedented riot at Impel Down.

Impel Down, an underwater prison, served as a pivotal prelude to significant events in One Piece history. The ripple effects of Luffy's actions at Impel Down had lasting consequences on the world ...

Despite this, there some believe that Doflamingo will break out of Impel Down in One Piece, returning to the story to take part in the Final Saga. Being one of the Warlords of the Sea, Doflamingo was ...