Eiichiro Oda
The story arc, called "Dressrosa", adapts material beginning from the end of the 70th volume to the middle of the 80th volume of the manga by Eiichiro Oda. The Straw Hats land in Dressrosa, an island controlled by the warlord Donquixote Doflamingo. Upon learning of Doflamingo's conquering of the kingdom, the Straw Hats team up with the Revolutionaries and the kingdom's deposed princess Viola to overthrow Doflamingo and save the island, Dressrosa.