Over 2,000 years ago Atlanteans started worshiping Set. Poseidon fought, banished Set, and destroyed his Atlantean cult. He later lived among the Atlanteans for a time as their protector, and left a copy of his trident with their ruler upon his departure. The copy came in the possession of Namor. Namor used the trident to inflict a deadly blow to Suma-Ket.
