: During the broader Impel Down Arc , Luffy is racing against time to save his brother Ace. The Vivre Card Luffy carries—a special piece of paper that points toward the person it was made from—is his only way to track Ace's location and life force within the prison.
: Marshall D. Teach and his crew arrive at the Great Prison Impel Down , causing massive chaos as they force their way in. One Piece Episode 444
: While Luffy fights through Level 4, Buggy and Mr. 3 reach Level 2 and release prisoners to start a riot, further distracting the prison guards. : During the broader Impel Down Arc ,