What is episode of luffy save ace?

The episode where Luffy saves Ace is in "One Piece" Episode 483, titled "The Last Wish." In this episode, Luffy participates in the intense battle at Marineford, where he tries desperately to rescue his brother Portgas D. Ace, who is facing execution. Despite intense obstacles, Luffy's determination and the help of allies highlight the emotional weight of their brotherly bond. The episode is pivotal, showcasing themes of sacrifice, friendship, and the lengths one will go for loved ones.