Monkey D. Luffy infiltrated the underwater prison Impel Down to rescue his brother, Portgas D. Ace from execution. Assisted by Boa Hancock, he fought through all six levels, facing Warden Magellan, only to find Ace already moved to Marineford. Luffy then broke out with a team of former enemies, including Crocodile, Jinbe, and Ivankov, to continue his rescReason for Going: Upon hearing that Ace was captured and sentenced to death, Luffy immediately halted his search for his crew and sought to rescue him. Actions in Impel Down: Infiltration: Luffy snuck into the high-security prison with Boa Hancock's help. Battles: He battled through various levels, including a severe defeat by Warden Magellan in Level 4 (Inferno Hell). Alliances: He formed alliances with inmates like Buggy the Clown, Mr. 2 (Bon Clay), and Mr. 3. Level 6: Upon reaching the lowest level, he found Ace was gone. Medical Emergency: After being poisoned by Magellan, Emporio Ivankov used his hormone abilities to save Luffy, shortening his life by 10 years in the process. The Escape: Luffy, alongside a massive group of inmates including Jinbe and Crocodile, initiated a mass breakout, ultimately heading for the Summit War at Marineford.

Credits to the artist for Luffy. !!SPOILERS FOR PEOPLE THAT HAVEN'T GOTTEN TO IMPEL DOWN! MASSIVE SPOILERS!!