One Piece Season 16 Episode 656
Rebeccca’s Sword of Death! Backwater Sword Dance!
Law and Doflamingo are embroiled in a heated showdown, which triggers Momonosuke's memories of Doflamingo's cruelty from the first time they met; meanwhile, after a tearful fanboy conversation, Zoro finally gets to see Luffy -- but all eyes are fixed on Rebecca who is squaring off against some heavy hitters in the Colosseum.