Goku in the hall of Justice

Mastering Black Mana with purified Shadow Dragons,GT Goku enters DC's multiverse.Shocked by evil he vows to fight injustice using Black Mana, martial arts.Battling demons,aliens, sorcerers across multiverses with dragons' support,Goku protects those in need.
Exploits make him legendary to Wonder Woman,Batman who trust his honorable,unrivaled warrior spirit.