kingdom Come: Deliverance II ‑ Mysteria Ecclesiae is the last expansion part of the game. Mysteria Ecclesiae in English know as “Mysteries of the Church / Mysteries of the Assembly” the Release date is 11 November 2025. The DLC take place in Sedletz Monastery located near Kuttenberg. Mysteria Ecclesiae serves as the ultimate epilogue to Henry’s tale. Players can only access it after completing the main story of Kingdom Come: Deliverance II. The DLC continues directly from the game’s ending, expanding the narrative into the shadowed halls of the Sedlec Monastery, where Henry faces his most spiritual and moral test yet.

How to access Mysteria Ecclesiae?
Finish the Main Story
- You must complete the Kingdom Come: Deliverance II main campaign.
- The DLC serves as an epilogue that continues directly after the game’s ending.
Install the DLC or Expansion Pass
- Buy Mysteria Ecclesiae separately or make sure you have the Expansion Pass / Gold Edition, which includes it.
- Keep your game updated to the latest version to activate DLC content.
Load Your Completed Save
- Open your save file after finishing the main questline.
- The DLC will only trigger from a finished or post-ending save.
Trigger the DLC Quest
- Once loaded, you’ll receive a new quest prompt (often through a letter, messenger, or monastery contact).
- Check your Quest Log or Journal for the mission titled Mysteria Ecclesiae.
Travel to Sedlec Monastery
- The DLC begins when you reach the monastery area near Kuttenberg.
- Prepare supplies — weapons may not always help inside the monastery’s walls.
Backup Your Save
- Before starting, create a manual save. This lets you return to the pre-DLC state if you want to replay or explore later.
Play Through the DLC Storyline
- Explore monastery interiors, secret chambers, and alchemy rooms.
- Engage in moral decision-making, stealth, dialogue, and investigation gameplay.
Complete Henry’s Saga
- The DLC concludes the events of Kingdom Come: Deliverance II, giving closure to Henry’s story.
Mysteria Ecclesiae — Story Explanation
The shadows of Kuttenberg fall long over Sedlec Monastery, and within those sacred walls, Henry’s final story begins.
After the fires of war and the chaos that tore through Bohemia, Henry hoped that peace might finally find him. Yet peace is a stranger to men like him. In the aftermath of Legacy of the Forge—a tale soaked in blood, justice, and betrayal—Henry carries more than wounds. He carries memories that don’t heal. The weight of decisions, the price of loyalty, the faces of those he could not save—all linger like ghosts . But fate is not finished with him. Summoned once again by his liege, Henry is sent on a mission unlike any before. This time, there are no armies to face, no blades to cross—only whispers, secrets, and the stench of death that clings to the holy air of Sedlec Monastery.

A strange illness has spread among the monks and nearby villagers. Some call it divine punishment; others suspect something far darker. The monastery, once a sanctuary of faith, now hides truths buried deeper than the bones in its catacombs. Every corridor breathes with unease, every prayer hides a question. Inside these walls, Henry must trade his sword for silence, his strength for insight. The line between faith and heresy blurs as he uncovers forbidden alchemy, ambition disguised as piety, and a sickness that might not come from God at all—but from the hearts of men.
The deeper Henry digs, the more he feels the old conflict stirring within him: justice or mercy, truth or obedience, faith or doubt. Every choice cuts deeper than any blade he has ever held.
Mysteria Ecclesiae isn’t just the end of Henry’s tale—it’s the reckoning of his soul. The lessons of Legacy of the Forge burn within him still, but now they meet something greater: the mystery of belief, the fragility of conscience, and the quiet, terrible beauty of redemption.
When the bells of Sedlec toll their final time, Henry will stand not as a blacksmith’s son, nor as a warrior, but as a man who has finally faced himself—and found the truth in the silence of the church’s shadow.

| Category | Details |
|---|---|
| Release Window | Winter 2025 |
| Expected Date | November 11, 2025 |
| Platforms | PC, PlayStation 5, Xbox Series X/S |
| DLC Type | Final Story Expansion (Epilogue) |
| Approx. File Size | Around 100 GB (estimated, may increase after installation) |
| Installation Requirement | SSD recommended for optimal performance |
| Minimum System Requirements | CPU: Intel i5-8400 / AMD Ryzen 5 2600RAM: 16 GBGPU: NVIDIA GTX 1060 (6 GB) |
| Recommended System Requirements | CPU: Intel i7 / Ryzen 7800X3DRAM: 32 GBGPU: NVIDIA RTX 4070 |
| Included In | Kingdom Come: Deliverance II – Expansion Pass / Gold Edition |


