Once Human Isles of Abyss: New PvE Scenario and Release Date
Once Human: Isles of Abyss launches October 21, 2026. Learn about shipbuilding, naval battles, underwater exploration, and the 21-day PvE cycle.
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Quick answer: Once Human’s new PvE scenario Isles of Abyss launches after maintenance on October 21, 2026, for PC, console, and mobile. Its roughly 21-day core cycle combines island exploration, custom shipbuilding, naval combat, underwater treasure hunting, and the Sunken Lord finale.
When does Isles of Abyss launch?
The official developer blog lists October 21, 2026 (PT), after maintenance. Check the in-game maintenance notice for the exact time in your region. Phase I lasts about 5–10 days depending on server purification progress, while Phase II lasts 11 days. A permanent server is expected around November 12.
What is new?
- Free-form shipbuilding and multiple propulsion systems
- Naval battles with cannons, mines, and special weapons
- Underwater labs, shipwrecks, fishing, and treasure maps
- Calamity Tower, Calamity Nest, and the Sunken Lord endgame
Does existing progression carry over?
Characters enter at max level. Existing Blueprints and Mods can be used, but craftable rarity and active Mod attributes unlock through Tech progression. The Cradle system is unavailable in this scenario.
Any Crystgin or Battle Pass changes?
The October 16 developer blog does not announce a new Crystgin price, top-up pack, or Battle Pass price. Compare verified live options on Once Human, Once Human Crystgin, and Once Human Battle Pass. Before a top-up, confirm Player ID, region, and server with the Once Human User ID guide.
