Ocean Master in Mera: Queen of Atlantis #2

Ocean Master - Multiversal Omnipedia

In the film Aquaman, why does Orm attack the Fisherman king so quickly? - Quora

Orm will do whatever it takes to save Atlantis even it means flooding the surface world.

Ocean Master's Life On Dry Land – Comicnewbies

Ocean Master VS Mera (Rebirth)

Ocean Master

Orm Marius, DC Extended Universe Wiki

Review: Mera: Queen of Atlantis #2 - DC Comics News

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MERA: QUEEN OF ATLANTIS #1

Mera: Queen of Atlantis #1