Assassin's Creed Odyssey: Mythical Beasts and the Gates of Atlantis

Fri, 11 Sep 2026 13:07:00 +0000

This is Part 3 of the canonical playthrough . It is the third base-game pillar — the Isu / First Civilization thread — and the mandatory prologue to Fate of Atlantis .

How Atlantis actually unlocks

You cannot sail to a map pin called Atlantis on day one.

Reach Chapter 6 of the family arc and finish United Front on Naxos.
Play A Family’s Legacy. It sends you to Thera (the volcanic island marked as the Caldera of Fate).
Redirect the light beam into the sealed door, go inside, and meet Pythagoras — your blood father, not Nikolaos.
That starts the Between Two Worlds line and the quest The Gates of Atlantis. Pythagoras will not seal the city until you bring four Precursor artifacts.

Those artifacts sit on four mythical “gods” the Greek world has been telling stories about. Each is a full quest chain, not a single arena fight. Recommended level is the high 40s to 50. Do the family ending first if you are underleveled; the beasts will wait.

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Assassin's Creed Odyssey: Mythical Beasts and the Gates of Atlantis

How Atlantis actually unlocks