The Temple of Poseidon, a place of significance to the Atlantean people, is the penultimate dungeon of the Titan Quest Atlantis DLC, where significant discoveries are made.
- Eustathios - Former Priest
- Atlantis Guardian - Archer | Mage | Sentinel | Soldier - Giant
- Viper Guard - Captain | Guardian | Priest | Stalker | Zealot - Beastman
- Tiamat (quest boss, Majestic Chest)