When Sabo awoke from his three-day coma, Hack expressed his concerns. After the Whitebeard War, Sabo had a mental breakdown after recovering his lost memories.

Over the years, the trio were sent on the same missions together. A year later, Hack and Sabo became acquainted with Koala. By the time Sabo was 13, the child had become so strong for his age that Hack had nothing left to teach him. He also became a member of the Revolutionary Army where he trained many orphans over the years, including Sabo. ДЄt an unknown time in the past, he became friends with JinbeВ of the Seven Warlords of the Sea. Hack is a Fish-Man Jujutsu martial artist. Hack is a highly proficient expert in Fish-Man Karate, В being a 100 level practitioner and an instructor.В He could use high level Fish-Man KarateВ techniques to defeat his opponents in one hit, knocking out a gladiator larger than himself. He could stop an assault from a large gladiator by grabbing his opponent's spiked club, with the man commenting that he was unable to move his weapon in Hack's grip. Hack has exceptional superhuman strength. When Sabo hung up on his communication with him, heВ took out his anger on another revolutionary member for his rudeness.В In SBS Volume 80, it is revealed by Oda that the amnesiac Sabo studied briefly martial arts under Hack, but since Sabo was already a talented fighter due to his training alongside Luffy and Ace, there was little that Hack could teach Sabo, so Dragon took Sabo under his wing. Like Koala, he is also frustrated with Sabo forВ neglecting his duties as a revolutionary by leaving his post. However, he along with Koala, are occasionally at odds with him over his tendency to leave his post during missions. Hack also works closely with SaboВ in the Revolutionary Army. She studied Fish-Man Karate under his tutelage, eventually becoming a Master Assistant Fish-Man Karate Instructor. In SBS Volume 80, it is revealed by Oda that Hack was the one responsible for bringing Koala into the Revolutionary Army when she was 14. He intended to get into contact with her after losing the Corrida Colosseum tournament but was unable to after he was turned into a toy by Sugar and forced to work. He seems to be working closely with Koala.

She greeted him warmly soon after meeting again in Dressrosa. Hack seems to have developed a friendly relationship with Nico Robin, who was rescued by the revolutionaries just prior to the timeskip. However, the way differs between the two, as Hack stated that he wants it 'by fists'. He is a dear friend of Jinbe, and also shares the same dream - to have a friendship between humans and Fish-Men. He is very honorable and dislikes attacking an opponent from the back, but he will do it if said opponent is not worthy of his respect, as he did to Bartolomeo, who wasВ urinating on the side of the fighting ring and was, in Hack's opinion, not taking the battle seriously. He finds fighting battles to beВ honorable and thus, dislikes those who show a lack of respect toward a fight such as Bartolomeo. For that reason, he will continue fighting. Hack is a calm and proud person, and follows a dream where a path of friendship may be formed by fighting.

Army of ages 3 hacked