One Piece Chapter 543 — The Depths of Impel Down - Kind: chapter overview - Chapter: 543 - Characters: Magellan, Luffy, Blackbeard, Whitebeard ### Summary Magellan, Ivankov, and the lower prison levels turn Ace’s rescue into a desperate race. The chapter mainly follows Magellan, Luffy, Blackbeard, Whitebeard, keeping the focus on the Impel Down storyline.