: Flashbacks detail Ace's mission to track down Marshall D. Teach (Blackbeard), the man responsible for the murder of a crewmate and the catalyst for the current crisis.
, titled "The Vow of the Brotherhood!", serves as a crucial emotional reset and retrospective for the One Piece anime as it enters the legendary Marineford Arc . Released originally on June 27, 2010, the episode bridges the gap between the chaotic escape from Impel Down and the massive war about to erupt at Marine Headquarters. Plot Summary One Piece Episode 457
As Monkey D. Luffy and his group of escapees sail toward Marineford, Luffy watches the burning Vivre Card of his brother, Portgas D. Ace. This triggers a series of poignant memories that he shares with Jinbe: : Flashbacks detail Ace's mission to track down Marshall D
: Luffy recalls their early years together, highlighting the deep bond formed through shared meals, training, and survival. Released originally on June 27, 2010, the episode
One Piece Episode 457: A Special Retrospective Before Marineford!
: According to discussions on Reddit , the episode is valuable for its emotional framing. It includes small amounts of new footage and reanimated scenes (such as the Vivre Card hand-off) that enhance the stakes of the upcoming war.
: If you are binge-watching and have a clear memory of the Alabasta and Banaro Island events, you can skip this episode to move directly into the action at Marineford.