One Piece S00 E11 3D2Y: Overcome Ace’s Death! Luffy’s Vow to his Friends

"Set sail for One Piece!"

Luffy is currently in Rusukaina training to get stronger to take on the New World. However, the training is interrupted when Hancock's sisters, Marigold and Sandersonia, are kidnapped by Byrnndi World, a pirate who was locked away on Level 6 of Impel Down.