hekate is the formed combination of thanatos, ares, artemis, and apollo, artemis and apollo are the eyes of hekate, which shoot fireballs and lasers, thanatos is the spine of hekate, who is the main reason it can move around and attack things it may seem as a foe, and ares, the head, body, and the 6 arms of hekate, most of hekate's weapons comes from ares, ares naturally being the leader of the exo mechs (if you exclude hypnos.)