Sabo

Sabo is the Revolutionary Army's chief of staff, recognized as the "No. 2" of the entire organization, ranking directly under Monkey D. Dragon himself. Next to being the sworn brother of Monkey D. Luffy and Portgas D. Ace, he is of noble descent, the son of Outlook III, as well as via his parents the adopted brother of Stelly, the current king of the Goa Kingdom, whom Sabo has never recognized as such. As a child, Sabo already have a very high level of physical capabilities and fighting skills, since he and Ace together were able to topple Porchemy when the two of them arrived to save Luffy. Sabo was able to beat Luffy fifty times in one day, as well as defeat Ace twenty four times and lose twenty six times. He was fast enough to grab a knife from a pirate without the pirate being able to stop Sabo. He was good at thieving as well, since he and Ace were able to rob a large amount of people to get their money and valuables.

Sabo

He also was exceptionally skilled in stealth and could jump out of a window several stories up without injuring himself. According to Ace, who thought Sabo would become his navigator, the boy also had some experience in navigation. After joining the Revolutionary Army, Sabo was personally trained by Monkey D. Dragon.By the time he was 22, he achieved the rank of Chief of Staff, and thus the second in command, of the Revolutionary Army. As a result, he has command over all other lower ranking members of the Revolutionary Army, and answers only to the leader himself. His bounty of 602,000,000 Beli proves that the World Government views him as extremely dangerous.

Revolutionary Army's chief of staff Sabo

Sabo later defeated Burgess by the time Luffy defeated Doflamingo. Burgess asked Sabo if he was going to kill him, but Sabo replied that he had no need to. Burgess then taunted Sabo by telling him what Ace said after Blackbeard captured him. In anguish, Sabo then grabbed Burgess on the face. Burgess grabbed his knife and went in for the kill, but Sabo blew him away with Fire Fist. Sabo was then contacted by Koala, who was waiting for him at the underground trade port. Sabo asked Koala if she found a list before hanging up on her. After things had settled down and Luffy and his friends went to Kyros' house to rest, Sabo went there during the night to see Luffy's face one last time. He told Robin that he would be leaving Dressrosa because CP-0 was coming back for the revolutionaries. After Zoro expressed his surprise at discovering that Luffy had another brother besides Ace, Sabo noted that it was probably most surprising for Luffy, as he had thought he was dead. He then went on to explain his past to Zoro, Franky, and Robin. Before departing, he gave Zoro a Vivre Card for Luffy and kept a piece for himself. He then entrusted Luffy's safety to the Straw Hats before leaving the house, something Zoro found amusing, since Ace had done the same thing two years prior when they met in Alabasta. Sabo then contacted Hack before heading for the harbor on a flock of birds. The revolutionaries later left Dressrosa and they apparently took all the weapons and evidence relating to the Donquixote Family's smuggling operation before CP-0 could recover them. Sometime later, a newspaper explained about Blackbeard's attack on Baltigo. The island was destroyed by the time the Marines and Cipher Pol arrived. However, Sabo and the revolutionaries' fate remains unknown.