God of the sea, brother to Zeus and Hades, wields the trident and aids Perseus in his quest.
Poseidon is part of Zeus's endangered divine family and is fatally injured during the betrayal.
The plot calls Poseidon Zeus's brother and shows him present when Zeus asks Hades for help in Tartarus.
Their sibling relationship is overshadowed by Hades's violent alliance against Zeus.
The plot presents Hades and Poseidon as brothers through their meeting with Zeus, and Poseidon is fatally injured during Hades and Ares's attack.
Poseidon provides Perseus with vital information and the weapon needed for the final quest.
A dying Poseidon informs Perseus of the crisis, directs him to Agenor, and gives him the trident.
Explore the full interactive character relationship map of Wrath of the Titans
Related entry on Wikidata (Q41127), public domain (CC0).