Ace, brother of Luffy and Sabo, was known as an individual who changed everything during the battle at Impel Down. Being the legitimate son of Gol. D. Rogers, Ace was capable of completely change the landscape of how the world was viewed as a big player, Whitebeard, was taken down while another was born, Luffy, who came to be someone who could potentially be the King of the Pirates.
This really nice artwork of Ace was done by Momokohyhy, who recently began drawing, she has another cool image of Sanji, if you like this, go check that out too. Otherwise be sure to share this image of Ace with other fans of the series.