When he was still young, Ace's hometown was attacked by the forces of the Galactic Empire. During the attack, Ace led the other children in his town to safety. Ever since then, he considered himself to be a born leader. Ace once visited an open-air marketplace on a world with a bright blue sun with Tirog, Drebble, and GT-9R. During this visit, they were accosted by a gambler accompanied by two armed thugs, who had been pursuing the group for some time. As the gambler and his cronies fired on the foursome, Ace took cover in a nearby bar.