Chapter 574

Chapter 574 is called "Portgas D. Ace Dies"

Summary
Ace's shown hugging Luffy while taking last breathe and asking Luffy to forgive him for not letting Luffy save him completely. Many flashbacks from past is shown and Ace tell his last words and how he will miss everyone and was glad to be accepted by his nakama, Luffy and Dadan. In final flashback, Luffy is crying and Ace tells Luffy that he is never gonna die cause he has little brother to worry about. With that his vivre card burns completely and flashback of his mother is shown naming him Gol. D Ace. In final scene, Ace dies on luffy's lap covered in blood as luffy roars in sky.

Chapter Notes
These are the fewest circumstances where Oda lets one of the main character die so convincingly.

For fist time Luffy is shown so helpless and crying in extreme. Even more than the time when Kuma scattered his crew.