To unlock the No More Rulers trophy in Assassin's Creed Odyssey, you must first purchase the first episode of The fate of Atlantis (or own the Season Pass) and download Episode 1.
Once you arrive in Elysium, you will receive a quest from Hermes called "A Growing Perception" to find and retrieve the Keepers Insights. Collect all four and the trophy will unlock.
- Asphodel Fields, Buried Silence Cave
- Pheraia's Retreat, Dead Heroes Haven
- Pheraia's Retreat, Sunken Jaw of the Styx
- Minos's Faith, Veiled Altar of Hermes