Kingdom Come: Deliverance 2
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Kingdom Come: Deliverance 2: Mysteria Ecclesiae out forSince Nov 11, 2025

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Mysteria Ecclesiae

Mysteria Ecclesiae is the third and final story DLC for Kingdom Come: Deliverance 2, released Nov 11, 2025 with Patch 1.5 for $13.99 on Steam. Henry assists the royal physician Sigismund Albicus inside the quarantined Sedletz Monastery to find the source of a deadly plague; it starts with Peter of Pisek at Suchdol once the main quest The Sword and the Quill is underway.

Mysteria Ecclesiae is the third and final story DLC for Kingdom Come: Deliverance 2, released on Nov 11, 2025 and sold for $13.99 on Steam. Henry becomes assistant to Sigismund Albicus, a renowned healer with ties to King Wenceslas, on a secret mission inside Sedletz Monastery to find the origin of a deadly plague, per PLAION's announcement. It starts with Peter of Pisek at Suchdol in the Kuttenberg region, and leans on alchemy, investigation and stealth more than combat.

A long Gothic cloister with pointed windows and ribbed vaults, sunbeams falling across the stone floor; two monks in dark habits walk toward the viewer and a man in armor stands in an arched doorway at the left.
From Mysteria Ecclesiae: monks walk down a vaulted cloister in shafts of sunlight while an armed man stands in a doorway onto a garden. Warhorse Studios and Deep Silver

Quick facts

Buy Steam, or in the Expansion Pass and the Royal Edition
Price $13.99 on Steam, €13.99 suggested in Europe
Released Nov 11, 2025, with Patch 1.5
Announced Oct 23, 2025
Platforms Windows, PlayStation 5 (PS5 Pro), Xbox Series X|S (PLAION)
Steam app 3368620
Setting Sedletz Monastery, east of Kuttenberg (Game Rant)
Quest giver Peter of Pisek (Warhorse)
Quests 11, from The Royal Physician to The Time has Come (PowerPyx)
Length About 5 to 8 hours (PowerPyx)

Release and price

PLAION announced Mysteria Ecclesiae on Oct 23, 2025 for Nov 11, at a suggested €13.99, on PC, Xbox Series X|S, PS5 and PS5 Pro (PLAION). It came out on Nov 11, 2025 alongside Patch 1.5, for $13.99 on Steam (Warhorse on Steam). Warhorse revealed it in a dev stream on Nov 6, 2025.

It is the last of the three story expansions in the $29.99 Expansion Pass, after Brushes with Death and Legacy of the Forge, and the next day Deep Silver released the Royal Edition with all of them (Deep Silver on Steam, Nov 12, 2025). Embracer credited Mysteria Ecclesiae, with marketing and seasonal promotions, for a "standout quarter" from October to December 2025 (Embracer). See DLC and Expansion Pass.

It ends the DLC plan. Warhorse called it "the third and final DLC" (Warhorse on Steam), and Warhorse's Tobias Stolz-Zwilling told PCGamesN: "We want to call it a day there, at least finish Henry's story."

How to start Mysteria Ecclesiae

The DLC starts with Peter of Pisek. Game Rant's start guide says to reach Kuttenberg and finish The Sword and the Quill and Speak of the Devil, then find Peter (a gold cross on a purple shield icon) at Suchdol or the Mintmaster's house to begin The Royal Physician. PowerPyx says the icon already appears on the second day of The Sword and the Quill, in Suchdol castle's banquet hall, and that players who have finished the main story find Peter in Kuttenberg instead.

Peter sends Henry to the physician. He gives a Letter of Introduction; Albich of Uniczow (Game Rant's spelling of the physician PLAION calls Sigismund Albicus) is not home, so Henry asks Apothecary Oswald Torwart, then travels with Albich to Sedletz, per Game Rant. Game Rant advises raising Scholarship and Speech and clearing other quests first.

Early bugs blocked some starts. Hotfix 1.5.1 on Nov 14, 2025 fixed Peter of Pisek being unavailable for players who had finished the main quest on patches 1.2 to 1.2.3, and Hotfix 1.5.2 on Dec 2, 2025 stopped people sleeping all day in Peter's house. See Patches and Updates.

The monastery and its story

Sedletz Monastery, on the east side of the Kuttenberg region, is under quarantine in the DLC. Warhorse's announcement says "a sudden epidemic has struck the monastery", with scarce resources and high tensions, and casts Henry as an investigator "piecing together clues to uncover the truth behind the outbreak". PLAION adds that its crypts are disturbed and patrolled by Teutonic guards, and that Henry relies on "his cunning, alchemical skills, and a fair bit of stealth" (PLAION).

First-person view of a hand gripping a long dagger behind a tonsured monk in a gray and black habit, in a vaulted stone room with shelves, a table with candles and a body lying on the floor.
From Mysteria Ecclesiae: Henry holds a dagger behind a monk in a candlelit room where a man lies on the floor. Warhorse Studios and Deep Silver

The monks have their own agendas. PLAION says the factions inside have hidden motives (PLAION), PCGamesN says Henry uncovers rifts among the monks as sections of the monastery unlock (PCGamesN), and Warhorse says the storyline "branches in surprising ways" (Warhorse on Steam).

It plays differently from the base game. PCGamesN says it centers on alchemy and medicine more than combat and lets Henry explore freely while he investigates (PCGamesN), and PCGamesN's preview headline called it "curing medieval Covid". See Alchemy and Potion Recipes and Stealth, Lockpicking and Pickpocketing.

The lockdown has rules. Being sent to the abbot twice for breaking the lockdown gets Henry banished, a game over, per Game Rant's list of secret endings and deaths, and PowerPyx says guards escort Henry to the infirmary when they catch him.

Quests

# Quest Notes
1 The Royal Physician Peter of Pisek; travel to Sedletz with Albich
2 Anamnesis Albich of Uniczow; Brother Vojta's jokes in the cellar
3 Maddening Pain Maddie, outside the infirmary (missable)
4 Prevention Make a plague mask
5 Our Daily Bread Zacharias and Denes in the infirmary (missable); crayfish fishing
6 Foreseeing Evil Librarian Crispin (missable)
7 The Last Wish Missable
8 Silent Witnesses
9 Seek and you Shall Find A holy relic
10 To Dust you Shan't Return An inspection of a corpse
11 The Time has Come The finale

Source: PowerPyx's walkthrough (Nov 11, 2025), which counts six side quests and five tasks; PowerPyx writes quest 5 as "Our Old Bread", and Game Rant as "Our Daily Bread". Maddening Pain, Our Daily Bread, Foreseeing Evil and The Last Wish can be missed.

Endings

PLAION promised "multiple endings" (PLAION), and Warhorse says the storyline branches. The guides read for this page do not list the endings one by one; PowerPyx says the DLC ends with The Time has Come, after which Henry returns to the open world, and the achievement Fresh Air ("You finished DLC3") is held by 8.8% of Steam players (Oct 25, 2026).

Rewards

The DLC adds a new outfit, a new weapon, potions and books. PLAION lists those in its launch release, and PCGamesN names them as the rewards (PCGamesN); the guides read for this page do not name each item. The plague mask Henry makes in Prevention earns Better Safe Than Sorry, held by 8.7% of Steam players.

Achievement How Quest
Survivor Sit through Brother Vojta's jokes in the cellar Anamnesis
Better Safe Than Sorry Make a plague mask Prevention
Ostraconophobia Die from crayfish pinches Our Daily Bread
Holy Relic Find the holy relic Seek and you Shall Find
Stop Licking That! Taste the powder from a corpse's hair To Dust you Shan't Return
Do Good to All People Help the residents, and talk to Monk Vincent Maddening Pain, Our Daily Bread
Feline Affection Keep petting the library cat Several quests
Fresh Air Finish the DLC story The Time has Come
Quiet as a Church Mouse Never get escorted to the infirmary The whole DLC

Source: PowerPyx's trophy roadmap, Nov 11, 2025. Quiet as a Church Mouse is held by 6.7% of Steam players (Oct 25, 2026). See Trophies and Achievements.

Frequently asked questions

How do you start Mysteria Ecclesiae in Kingdom Come: Deliverance 2? Talk to Peter of Pisek at Suchdol, marked by a gold cross on a purple shield, once the main quest The Sword and the Quill is underway in Kingdom Come: Deliverance 2. PowerPyx says he appears on its second day, while Game Rant says to finish Speak of the Devil first and look for him at Suchdol or the Mintmaster's house.

How much does Mysteria Ecclesiae cost? Mysteria Ecclesiae costs $13.99 on Steam, and it is included in Kingdom Come: Deliverance 2's $29.99 Expansion Pass and in the Royal Edition.

Is Mysteria Ecclesiae the last DLC for KCD2? Yes. Warhorse called Mysteria Ecclesiae "the third and final DLC" for Kingdom Come: Deliverance 2, and later free patches added only smaller content, such as a book in Patch 1.5.5 and a jester's quest in Patch 1.5.6.

Where is the Mysteria Ecclesiae monastery? Mysteria Ecclesiae takes place in Sedletz Monastery, on the east side of Kingdom Come: Deliverance 2's Kuttenberg region. Warhorse calls the DLC's version of it "a completely new location", quarantined during an outbreak.

How long is Mysteria Ecclesiae? PowerPyx estimates about 5 to 8 hours for Mysteria Ecclesiae, including its achievements, across 11 quests. Warhorse has not published a length for Kingdom Come: Deliverance 2's last DLC.

What is the plague mask in Mysteria Ecclesiae? In Kingdom Come: Deliverance 2's Mysteria Ecclesiae, Henry crafts a plague mask in the quest Prevention, which earns the Better Safe Than Sorry achievement, held by 8.7% of Steam players on Oct 25, 2026.

Sources

Moments

Kingdom Come: Deliverance II - Mysteria Ecclesiae DLC Announce Trailer

Warhorse Studios

  1. Mysteria Ecclesiae is the third and final story DLC for Kingdom Come: Deliverance 2, released on Nov 11, 2025 and sold…

Kingdom Come: Deliverance II - Mysteria Ecclesiae DLC Launch Trailer

Warhorse Studios

  1. Sedletz Monastery, on the east side of the Kuttenberg region, is under quarantine in the DLC. Warhorse's announcement…

Kingdom Come: Deliverance II Dev Livestream #9

Warhorse Studios

  1. It plays differently from the base game. PCGamesN says it centers on alchemy and medicine more than combat and lets…
  2. The lockdown has rules. Being sent to the abbot twice for breaking the lockdown gets Henry banished, a game over, per…

Photos

First-person view of a hand gripping a long dagger behind a tonsured monk in a gray and black habit, in a vaulted stone room with shelves, a table with candles and a body lying on the floor.A long Gothic cloister with pointed windows and ribbed vaults, sunbeams falling across the stone floor; two monks in dark habits walk toward the viewer and a man in armor stands in an arched doorway at the left.

Every page

See also

Last updated Oct 25, 2026 by the Vi.ki team. Page text CC BY-SA 4.0.

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