What is the Mysteria Ecclesiae story about?

A plague investigation at Sedletz Monastery that uncovers intrigue against King Wenceslaus. The Royal Physician leads from Suchdol into the monastery; the rest of the arc plays out on monastery grounds.

Mysteria Ecclesiae DLC Checklist | Kingdom Come: Deliverance 2

Q: When should I start Mysteria Ecclesiae?

Startable after reaching Kuttenberg; we recommend finishing the main game first for story reasons. Speak to Petr of Pisek in Suchdol to begin; entering Sedletz Monastery locks you in until the questline ends.

Q: Are any Mysteria Ecclesiae skill books missable?

Five monastery skill books sit on Sedletz library shelves; grab them before you leave the DLC. The checklist tables list every book with locations.

Mysteria Ecclesiae DLC Overview

The checklist is located below this introductory text.

Interactive checklist for the Mysteria Ecclesiae DLC in Kingdom Come: Deliverance 2. Track all 42 items: 6 main quests, 5 tasks, 12 skill books, 3 alchemy recipes, 12 interesting sites, 1 blacksmithing sketch, and 3 shrines. Your progress auto-saves in the browser.

Mysteria Ecclesiae is the third and last larger DLC for KCD2. It consists of a single main questline where Henry investigates a plague outbreak at Sedletz Monastery, uncovering intrigue against King Wenceslaus. The DLC introduces a key figure, Albich of Uniczow.

Key Content in Mysteria Ecclesiae

Six main quests run from The Royal Physician through the monastery investigation. The first quest takes you from Suchdol to the monastery; all other quests take place directly on monastery grounds. There is a large number of missable tasks in the monastery, so explore thoroughly.

The DLC adds 12 skill books (five of which sit on Sedletz library shelves and should be grabbed before you leave), 12 interesting sites, 3 alchemy recipes, 1 blacksmithing sketch, and 3 shrines. Once you enter Sedletz Monastery, you are locked in until the questline ends.

When to Start the DLC

Startable after reaching Kuttenberg, but we recommend finishing the main game first for story reasons. Speak to Petr of Pisek in Suchdol to begin The Royal Physician. Start only when you are ready to commit: you cannot leave the monastery until you finish the DLC story.

Related Checklists

For a complete 100% run, combine this DLC checklist with the Main Quests, Side Quests, and Skill Books checklists.

See the Kingdom Come: Deliverance 2 Checklists hub for every checklist and guide available for KCD2.

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Completion: One long questline with missable side activities along the way. Warning: once you enter Sedletz Monastery during the DLC, you are locked in until the questline ends. Five of the monastery skill books sit on Sedletz library shelves; grab them before you leave the DLC. Use the skill books table below and the full skill books checklist if you track every tome in the game.

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Tasks

Sketches

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All Main Quests in Mysteria Ecclesiae DLC

Mysteria Ecclesiae is basically a plague investigation at Sedletz Monastery that uncovers intrigue against the rightful King Wenceslaus.

The first quest is The Royal Physician, which takes you from Suchdol to the monastery and introduces you to a key figure, Albich of Uniczow. All other quests take place directly in the monastery.

Entering the monastery locks you in until the questline ends.

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All Main Quests

✓		Item Name	Description
		The Royal Physician Region: Kuttenberg Location: Suchdol Mysteria Ecclesiae DLC Quest	Speak to Petr of Pisek in Suchdol to start the DLC. Find Albich of Uniczow, then travel to Sedletz Monastery. Warning: entering the monastery locks you into the DLC until it ends.
		Anamnesis Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Quest	Examine plagued patients and meet key figures. Optional monastery tour. Maddening Pain is available during this quest; The Last Wish and Foreseeing Evil open after Anamnesis.
		Silent Witnesses Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Quest	Lockdown: Zacharias wants a breathing mask (starts Prevention). Sneak into the crypt, find robbed graves and thief damage. Linked tasks: Prevention, Our Daily Bread.
		To Dust You Shan't Return Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Quest	Investigate the fire and the true cause of the bodies.
		Seek And You Shall Find Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Quest	Work with the librarian and find the relic in Bavor's grave.
		The Time Has Come Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Quest	Stop Zacharias. After this, the plague ends and you leave the monastery, completing the DLC.

All Side Quests and Tasks in Mysteria Ecclesiae DLC

Optional tasks during your time in Sedletz Monastery. Many of them are missable and can only be started during a specific DLC quest.

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All Side Quests and Tasks

✓		Item Name	Description
		Maddening Pain Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Task	Find Maddie in pain, examine her, brew Anti-Inflammatory Potion. Missable: talk to Maddie while she argues with Benedict during Anamnesis.
		Foreseeing Evil Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Task	Deliver herbs to Crispin. Missable: talk to Crispin, preferably after Anamnesis.
		The Last Wish Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Task	Speak to Athanasius or Constantine about getting her to return. Missable: talk to them after Anamnesis.
		Prevention Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Task	Starts mid Silent Witnesses. Gather mask supplies and obtain the Essential Oil alchemy recipe.
		Our Daily Bread Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Task	Talk to Denes, then help cellarius Julian. Missable: talk to Denes near the end of Silent Witnesses.

All Skill Books in Mysteria Ecclesiae DLC

Twelve skill books stay inside Sedletz grounds. Grab library shelves and infirmary pickups before you leave the monastery.

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All Skill Books

✓		Item Name	Description
		Physica Hildegardis Bingensis I Skill: Alchemy Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery On the library shelf (one of five library skill books).
		Physica Hildegardis Bingensis II Skill: Alchemy Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Infirmary, room across from Henry's bed.
		Physica Hildegardis Bingensis III Skill: Alchemy Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Next to the Alchemy bench in the infirmary.
		Physica Hildegardis Bingensis IV Skill: Alchemy Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery On the library shelf.
		On the Obedience of Dogs and Monks Skill: Houndmaster Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Table in a room connected to the southeastern courtyard.
		On the Strength of the Drunkard Skill: Drinking Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery From the main courtyard: door, upstairs, near a window.
		Master Theodor's Horse Skill: Horsemanship Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Chest in the cell on the first floor at the center of the monastery.
		Saint Sudivoy and the Miracle of the Purse Skill: Thievery Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery On the library shelf.
		Teachings of Brother Francis Skill: Unarmed combat Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery On the library shelf.
		The Legend of Ambrose the Archer Skill: Marksmanship Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Tent in the templar camp, southwest monastery.
		The Spear of Longinus Skill: Polearms Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery On the library shelf.
		The Writings of Peter Parler Skill: Scholarship Mysteria Ecclesiae DLC Skill Book	Recommended location Region: Kuttenberg Location: Sedletz Monastery Ernest's ubication cell in the monastery.

All Alchemy Recipes in Mysteria Ecclesiae DLC

Three recipes are unique to the monastery. They also appear on the All alchemy recipes checklist.

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All Alchemy Recipes

✓		Item Name	Description
		Anti-Inflammatory Potion Ingredients: Aqua, 1x Ginger, 1x Nettle, 2x Valerian Mysteria Ecclesiae DLC Alchemy Recipe	Effect: Increases Agility and Strength. At better quality, you gain more experience in Agility and Strength. Recommended recipe location Region: Kuttenberg Location: Sedletz Monastery Missable: tied to the missable Maddening Pain task.
		St. Roch's Potion Ingredients: Vinum, 2x Dried chamomile, 1x Ginger, 2x St. John's wort Mysteria Ecclesiae DLC Alchemy Recipe	Effect: Raises Vitality by 1, and healing potions heal you 30% faster for 20 minutes. Recommended recipe location Region: Kuttenberg Location: Sedletz Monastery Missable: obtain from Albich anytime during the DLC when you tell him you are feeling unwell.
		Essential Oil Ingredients: Oleum, 3x Chamomile, 1x Sage, 1x Valerian Mysteria Ecclesiae DLC Alchemy Recipe	Effect: A fragrance for purifying the air. Unlike typical perfumes, it does not increase Charisma, but instead Vitality. If used together with another perfume, it reduces Charisma. Recommended recipe location Region: Kuttenberg Location: Sedletz Monastery Obtained during Prevention in the Mysteria Ecclesiae DLC.

✓

Item Name

Description

Anti-Inflammatory Potion

Ingredients: Aqua, 1x Ginger, 1x Nettle, 2x Valerian

Mysteria Ecclesiae DLC Alchemy Recipe

Effect: Increases Agility and Strength. At better quality, you gain more experience in Agility and Strength.

Recommended recipe location

Region: Kuttenberg

Location: Sedletz Monastery

Missable: tied to the missable Maddening Pain task.

St. Roch's Potion

Ingredients: Vinum, 2x Dried chamomile, 1x Ginger, 2x St. John's wort

Mysteria Ecclesiae DLC Alchemy Recipe

Effect: Raises Vitality by 1, and healing potions heal you 30% faster for 20 minutes.

Recommended recipe location

Region: Kuttenberg

Location: Sedletz Monastery

Missable: obtain from Albich anytime during the DLC when you tell him you are feeling unwell.

Essential Oil

Ingredients: Oleum, 3x Chamomile, 1x Sage, 1x Valerian

Mysteria Ecclesiae DLC Alchemy Recipe

Effect: A fragrance for purifying the air. Unlike typical perfumes, it does not increase Charisma, but instead Vitality. If used together with another perfume, it reduces Charisma.

Recommended recipe location

Region: Kuttenberg

Location: Sedletz Monastery

Obtained during Prevention in the Mysteria Ecclesiae DLC.

All Interesting Sites in Mysteria Ecclesiae DLC

Monastery interiors and yards that count as interesting sites.

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All Interesting Sites

✓		Item Name	Description
		Hop Field Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Northwest Sedletz Monastery area. Used in DLC quest To Dust You Shan't Return. Notable rewards: Chests, pelts, herbs. One building holds 40 Beer from kegs.
		Hidden Booze Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Bottles under a tree by a fish pond. Notable rewards: Strong Saviour Schnapps.
		Flour Storage Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Large southern building with a chest. Used in To Dust You Shan't Return.
		Monastery Kitchen Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Western main building. Notable rewards: Plenty of food and cooking ingredients.
		Well - Sedletz Monastery Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Central courtyard well.
		Monastery Library Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Southern wing. Notable rewards: Five skill books total; see All Skill Books on this page for the list.
		Reception Hall Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Large space between two courtyards.
		Abbot's Chambers Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Southeast wing. Notable rewards: Trinkets, books, Embrocation recipe, Falchion sketch.
		Abbot's Chapel Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Near abbot's chambers. Visited in The Time Has Come. Prayer spot: Abbot's Chapel Shrine. Notable rewards: No notable loot here.
		Crypt Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	Torch-lit crypt below the main church. Notable rewards: Quest-related investigation loot during the DLC.
		Monastery Infirmary Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	East of main building; used in many DLC quests. Notable rewards: Alchemy bench, herbs, and quest supplies.
		Monastery Cemetery Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Interesting Site	East of the infirmary.

All Blacksmithing Sketches in Mysteria Ecclesiae DLC

Boleslav Bavor's Sword is a sketch you obtain during the main DLC quest Seek And You Shall Find.

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All Blacksmithing Sketches

✓		Item Name	Description
		Boleslav Bavor's Sword Ingredients: 1x Boleslav Bavor's Broken Sword, 1x Iron, 1x Toledo Steel Mysteria Ecclesiae DLC Blacksmithing Sketch	Crusader knightly sword; new blade fitted so it can serve just causes. Recommended sketch location Region: Kuttenberg Location: Sedletz Monastery Obtain the sketch during Seek And You Shall Find.

✓

Item Name

Description

Boleslav Bavor's Sword

Ingredients: 1x Boleslav Bavor's Broken Sword, 1x Iron, 1x Toledo Steel

Mysteria Ecclesiae DLC Blacksmithing Sketch

Crusader knightly sword; new blade fitted so it can serve just causes.

Recommended sketch location

Region: Kuttenberg

Location: Sedletz Monastery

Obtain the sketch during Seek And You Shall Find.

All Shrines in Mysteria Ecclesiae DLC

Three prayer shrines on monastery grounds: the templar camp, the abbot's chapel, and the monastery church.

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All Shrines

✓		Item Name	Description
		Templar Camp Shrine Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Shrine	Near the templar camp, southwest monastery area.
		Abbot's Chapel Shrine Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Shrine	Inside Abbot's Chapel interesting site.
		Monastery Church Shrine Region: Kuttenberg Location: Sedletz Monastery Mysteria Ecclesiae DLC Shrine	Part of the monastery church (distinct from the camp shrine).

Frequently Asked Questions in Mysteria Ecclesiae DLC

How many items are in the Mysteria Ecclesiae checklist?

There are 39 items: 6 main quests, 5 tasks, 12 skill books, 12 interesting sites, 1 blacksmithing sketch, and 3 shrines.

Is the monastery lock-in real?

Yes. After you enter Sedletz Monastery for this DLC, you cannot leave the open world until you finish the questline.

How do I start Mysteria Ecclesiae?

After Kuttenberg, speak to Petr of Pisek in Suchdol, then travel to Sedletz Monastery. We recommend finishing the main game first for story reasons.

Are monastery skill books missable?

Five of the monastery skill books sit on Sedletz library shelves; grab them before you leave the DLC. The skill books table on this page lists each tome.

What is the Mysteria Ecclesiae quest arc?

Six main quests cover a plague investigation at Sedletz Monastery that uncovers intrigue against King Wenceslaus, from Suchdol and the monastery through the outbreak, crypt, and finale.

Does this checklist save progress?

Yes. Progress auto-saves locally. Optional account sync uses the same keys as the KCD2 progress tracker.