Half-Atlantean king with hydrokinetic powers, bridging human and ocean worlds.
Mera acts as Arthur's guide, protector, and eventual romantic partner.
Lex Luthor's post-credits maneuvering sets up future antagonism toward Arthur's reign.
Cyborg's technological intervention directly enables Arthur's victory and political unification.
Batman guides the League's evolution while acknowledging Arthur's new royal status.
Superman provides physical and strategic support during Arthur's escape from captivity.
Arthur and Wonder Woman coordinate tactical strikes against multiple threats.
Explore the full interactive character relationship map of Justice League: Throne of Atlantis