One Piece Chapter 540 — The Depths of Impel Down - Kind: chapter overview - Chapter: 540 - Characters: Ivankov, Magellan, Whitebeard, Luffy ### Summary Magellan, Ivankov, and the lower prison levels turn Ace’s rescue into a desperate race. The chapter mainly follows Ivankov, Magellan, Whitebeard, Luffy, keeping the focus on the Impel Down storyline.