Portgas D Ace is a intelligent, polite and caring man. While several people who knew Gol D. Roger noted Luffy is quite similar to the late Pirate King, Whitebeard himself claimed that Ace's personality is not at all like his father's. It seems that among the very few things the brothers share is their recklessness as pirates (and their near-bottomless stomachs). In addition, Ace likes to party as much as his adoptive little brother does. When he boarded Buggy's ship, he was drawn by the smell of food and decided to enjoy himself while he was there. Ace can be a bit vulgar though as he once used a woman's skirt to wipe his face while he was dining at Spice Bean in Alabasta.
You don't know anything about the man who saved my life!! This is his era, don't you forget it!!
As the son of Roger, he lives in his shadow and is to date the first D. depicted to truly question his own right to exist, while displaying the fewest commonly seen D. related traits. Ace seems to have lifelong problems dealing with his parentage, even after denouncing Gol D. Roger and accepting Whitebeard as his only father. This is in direct contrast to Luffy, who accepted his father's identity immediately upon learning it and did not seem to care when he was told how dangerous of a man he was. However, Luffy did not grow up with knowledge or identity (or even existence) of his father. Ace believed that it was natural if he were to really die as nobody in the world wanted the son of the devil (Roger) to live. Ace commented upon his own death that he had never sought fame or fortune - all he had wanted was the answer to his lifelong question of whether or not he should have been born, as this was the only thing preventing him from dying with no regrets as he and Luffy had vowed to do so and the fact he had a younger brother to look out for. Ace's only regret was that he would not live to see Luffy achieve his dream, which he believed Luffy undoubtedly will accomplish as he is his little brother.
Ace has a tendency to never back down from a fight, saying that he would never run once facing an enemy. Because of this, some people believe that Ace has a death wish, but in truth he wants to prevent people he cares for from getting hurt. Dadan stated that he inherited this tendency from his father, Gol D. Roger, despite loathing him. While Ace emerged victorious over enemies he refused to run from, such as Porchemy and Bluejam, his stubbornness hurt him on a number of occasions, particularly when he refused to back down against Blackbeard or Admiral Akainu.
Portgas D Ace sails with the Whitebeard Pirates
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He was raised with the mount bandits to become a pirate instead of a marine like Garp. He was trained with his adoptive brothers Monkey D. Luffy and Sabo. At age 17, Ace began his pirating actions as captain of the Spade Pirates. He became infamous and even refusing to become a Shichibukai. He fought Jinbe for five days and nearly killed other until Whitebeard arrive to fight Ace and defeated by the Strongest man in the world. Later, he became the 2nd division commander of the Whitebeard Pirates.
Devil Fruit User:Ace ate the Mera Mera no Mi, a Logia-type Devil Fruit that allowed him to create, control, and transform his body into fire. He could create and unleash massive amounts of fire for large-scale damage, as well as utilize small precision attacks. Later, after his death, it was revealed that Ace's burning fists also had the power to annihilate entire cities.
Haki: Ace was one of the very few people in the world who could use all three types of Haki. Despite this, he rarely used them in combat, being more reliant on his Devil Fruit abilities. While Ace has never show usage of Busoshoku Haki or Kenbunshoku Haki within the manga, The Novels have stated that Ace's Haki had been described by Shanks and Benn Beckman to be fiery in nature, to the point that Ace’s very presence was able to stop blizzards on an island for as long as he was there. As such, when he turned up on Drum Island, no snow fell at all on the island for an entire day.
Ace and his brother, Luffy, were very close as children and remained so as pirates, even after more than three years of separation. Though they were not related by blood, they were still bound by a brotherly bond. Luffy was also aware that Ace was Gol D. Roger's son. As a child, Ace was initially aloof and hostile towards Luffy. Such an example was when Luffy innocently followed Ace onto an old rope bridge and Ace (being greatly annoyed by his presence) knocked Luffy off the bridge and into the ravine. After learning how lonely Luffy was, Ace warmed up to him, but got annoyed whenever Luffy cried. Ace later grew very protective of him, particularly from Garp, even insulting their grandfather in an attempt to stop his abusive behavior towards Luffy. This protective streak continued into the current storyline.
✩ ㅤㅤㅤ ㅤㅤ ㅤㅤ of the cosmos,tap, tap. wand to palm as this one thought carefully before speaking. her tone was warmth and friendly, yet blunt as she asked the stranger a simple question: "what would you deem this world's greatest treasure?"