TV-Series
Description
Portgas D. Ace, born with the name Gol D. Ace, is the biological son of the executed Pirate King, Gol D. Roger, and Portgas D. Rouge. To protect him from the World Government, which sought to eliminate the bloodline of the Pirate King, Rouge carried him in her womb for an extraordinary twenty months before dying from the exertion of childbirth. Ace was placed in the care of Vice Admiral Monkey D. Garp and raised by the bandit Curly Dadan on Dawn Island, alongside Garp's grandson, Monkey D. Luffy.

Ace grew up bearing the immense weight of his infamous heritage, viewing himself as a devil's child, and he constantly struggled with questions about whether his life held any value. He developed a brash, impulsive, and fiercely proud personality, refusing to retreat from any confrontation, especially when his family or his father's name was insulted. Despite his inner turmoil, his motivations were ultimately rooted in a deep desire for family and belonging. He formed a sworn brotherhood with Luffy and Sabo during his childhood, and his bond with them was irreplaceable, symbolized by the tattoo on his arm, which features the letters ASCE with the S crossed out in memory of the supposedly lost Sabo.

As a young man, Ace set sail as the captain of his own crew, the Spade Pirates, before encountering the Emperor Edward Newgate, known as Whitebeard. Seeking the family he never had, Ace joined the Whitebeard Pirates and rose to become the Second Division Commander. He developed a close, father-son relationship with Newgate and dedicated his life to protecting his adopted crew, which became the central purpose of his existence. His overprotectiveness toward his new family often led him into reckless decisions, reflecting his impulsive nature and fierce loyalty.

Ace's role in the larger narrative is pivotal. He was captured by Marshall D. Teach, known as Blackbeard, after pursuing him for the murder of a crewmate, and was subsequently handed over to the World Government for a public execution. This event triggered the Paramount War at Marineford, a full-scale conflict between the Whitebeard Pirates, their allies, and the Marines. During the war, Ace was freed, but he chose to confront Admiral Akainu after the admiral insulted Whitebeard and his family. In the ensuing clash, Akainu turned his attack toward Luffy, and Ace stepped into the path of the lava strike to shield his younger brother, sacrificing his own life at the age of twenty.

Ace's development is a central emotional arc that transforms him from a resentful boy questioning his right to exist into a man who understood his worth through the love and sacrifices of his family. In his final moments, he acknowledged how fortunate he was to have been loved, solidifying his legacy as a protector. Notably, Ace possessed the power of the Mera Mera no Mi, a Logia-type Devil Fruit that allowed him to create, control, and transform into fire. His signature technique, the Fire Fist, earned him his moniker, and he combined this devastating power with his considerable combat skill and proficiency in both Armament and Observation Haki, making him a formidable fighter and a respected commander within one of the strongest pirate crews in the world.