One Piece Chapter 548 — Escape from Impel Down - Kind: chapter overview - Chapter: 548 - Characters: Spandam, Whitebeard, Magellan ### Summary The breakout erupts as Blackbeard enters the prison and Luffy heads for Marineford. The chapter mainly follows Spandam, Whitebeard, Magellan, keeping the focus on the Impel Down storyline.