Henry’s back, and this time, he’s trading his sword for a magnifying glass. Deep Silver and Warhorse Studios have announced Mysteria Ecclesiae, the third story DLC for Kingdom Come: Deliverance II, set to release on 11 November 2025 for PlayStation 5, Xbox, and PC.

The new expansion takes players deep into the quarantined Sedletz Monastery, where a mysterious disease has spread and no one knows why. Henry steps into detective mode, piecing together clues and uncovering the dark truth behind the outbreak. Expect fresh faces, gripping quests, and endings that’ll catch you off guard.

Kingdom Come Deliverance II – Mysteria Ecclesiae DLC Announce Trailer

A deadly mystery in holy walls

The Sedletz Monastery is a fully explorable new location built with the same historical detail the series is known for and it’ll remain open even after the DLC wraps up. Players can also expect plenty of new loot, from weapons and outfits to potions and books that expand Henry’s skills and knowledge.

Last month’s Kingdom Come Deliverance II Legacy of the Forge DLC focused on Henry’s family roots as a blacksmith and introduced a home customisation system boasting millions of combinations. Mysteria Ecclesiae picks up the torch, shifting the tone from legacy to mystery.

A deadly secret, a locked monastery, and a hero who’s seen too much, Mysteria Ecclesiae might just be Kingdom Come: Deliverance II’s darkest chapter yet.

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