Caldera Priory and the Depths of Blood and Bone
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About This Mod
Caldera Priory has been overrun by the Undead. Do you have the courage and the will to venture into the Depths of Blood and Bone and vanquish the ancient Evil that has taken hold of the lands above?
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It begins in blood. It ends in bone.
Caldera Priory has been overrun by the Undead, and you are asked to go in and destroy them. However, things aren’t quite that simple. You learn that the Undead didn’t come alone. They were led by a vile creature that slaughtered many of the priory’s inhabitants itself. And yet, it does not seem to be the true master …
Caldera Priory and the Depths of Blood and Bone is a dungeon and quest mod with a focus on horror. You will walk through dark corridors full of blood, gore, and bone, you will fight against horrific creatures, and you will witness scenes of pure agony. And all the while you traverse ever deeper and deeper into the hellish realm that the Undead clawed their way out of …
Features include:
- []A new location in the game world: Caldera Priory. First in ruins after the Undead attack, you will later have the opportunity to see it restored. []A new, vast dungeon complex for you to explore and fight through, made out of 17 cells []A creepy and claustrophobic atmosphere in some areas, and overhelmingly huge chambers with epic vistas in others []Ten brandnew quests for you to embark upon. Some of the side quests even tie into the mod's main quest line. As of v2. 0, you will have the opportunity to gain a powerful ally for the final section of the dungeon, assuming you play your cards right. []Two new and unique boss encounters, each with their own unique mechanics and their own bit of voice acting. One of them comes with an epic scripted introductory scene. []Completely new and unique items for you to loot, including three new artifact weapons and two new armor sets []Many new assets for you to marvel about as you progress through the dungeon, for instance: animated corpses hanging from chains, giant lava falls, statues, an extension of OAAB’s infernace set, or a certain huge, red crystal []Custom music tracks throughout the dungeon, including an epic boss theme that plays during the final boss fight []Nine new NPCs, who all have their own take on the events, as well as on each other
The mod is inspired by the Diablo games, as Diablo fans will no doubt quickly realize. There are a few very direct appearances from those games, but it is all kept grounded in Elder Scrolls lore so that it fits into Morrowind's game world. Being a huge fan of Diablo I and II's atmosphere, I have always felt that someone should make a Diablo game in first person. Lacking the skills to create my own game, I opted for the next best thing: modding! This mod is my attempt to translate Diablo's atmosphere to Morrowind.
Go to Caldera and talk to someone about "Caldera Priory". Alternatively, you can go to the priory directly without talking to anyone.
Some words of advice:
- []Use torches. The dungeon is dark, but Night-Eye will only ruin your immersion. []Bring levitation. You can play through the dungeon without it, but if you want to find everything, you will need it. []Be prepared. It is a big and difficult dungeon and you should pack accordingly: enough potions, repair hammers, scrolls, or whatever else you might need. Furthermore, to beat the final boss I recommend you be at least level 20. That is just a rough estimate however, and there is a good chance you will want to be higher than that. The final confrontation has become a true test of skill in v2. 1.
Extract the contents of 00 Core into your Data Files folder, then activate the mod in your Morrowind Launcher. Regenerate Distant Land and make sure to enable the „Include large interiors“ option!
If you’re using the vanilla engine, you will have to activate the „Scripted music uninterruptible“ patch from https://www.nexusmods.com/morrowind/mods/19510" rel="nofollow noopener" target="_blank">Morrowind Code Patch. OpenMW might be able to handle the custom music of this mod by default.
There are optional downloads for HD textures and HD Normal Maps for OpenMW. If you like, you can use either of these to override the default textures that come with the main archive.
This mod requires https://www.nexusmods.com/morrowind/mods/49042" rel="nofollow noopener" target="_blank">OAAB_Data and https://www.nexusmods.com/morrowind/mods/44537" rel="nofollow noopener" target="_blank">Tamriel_Data.
Compatible with OpenMW
Compatible with BCOM
Patches for the following mods are included:
- []Remiros‘ Groundcover []Aesthesia Groundcover []Rocky West Gash []BCOM Rocky West Gash
- Rocky West Gash Aggressively Compatible Version
All of these come as replacer ESPs for the respective mod. Use them instead of the original. You still need to download and install the original mods first, or the patches are pointless.
BCOM users don’t need to install any extra grass patches. BCOM’s grass patches are already compatible with Caldera Priory, courtesy of RandomPal.
Regarding your load order:
It is advised to place Caldera Priory towards the bottom of your load order to make sure that it loads after everything that might edit the same exterior cell (West Gash Region -3,3). This is because Caldera Priory changes that exterior cell's name, and if another mod that edits the same cell loads after Caldera Priory, it will revert the name back to its original. This will make one of Caldera Priory's scripts break, and you will get an error message. That is why, if you use one of the Rocky West Gash Patches, you must load it before Caldera Priory. Else, it will break the aforementioned script.
https://www.nexusmods.com/morrowind/mods/47912" rel="nofollow noopener" target="_blank">Let There Be Darkness (lets you adjust the radius of light sources, very handy for your torches, requires MWSE)
https://www.nexusmods.com/morrowind/mods/19510" rel="nofollow noopener" target="_blank">MCP Actor Collision Box fix (to better navigate some tight spots)
https://www.nexusmods.com/morrowind/mods/44523" rel="nofollow noopener" target="_blank">Jammings Off (the same thing but for OpenMW)
I don’t really want to recommend this, because it would make parts of the dungeon less creepy and less challenging, but if you really, absolutely cannot handle spiders at all, even digital ones, then there is this: https://www.nexusmods.com/morrowind/mods/52476" rel="nofollow noopener" target="_blank">Arachnophobia Patch
My other dungeon mods:
https://www.nexusmods.com/morrowind/mods/53481" rel="nofollow noopener" target="_blank">Drethos Ancestral Tomb
https://www.nexusmods.com/morrowind/mods/51171" rel="nofollow noopener" target="_blank">Of E
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Mod Details
- Game
- The Elder Scrolls III: Morrowind
- Author
- Seelof and his Minions
- Version
- 2.2
- Downloads
- 159,090
- Endorsements
- 537
- Category
- Dungeons and Locations
- Last Updated
- 5/1/2025
How to Install Morrowind Mods
Use OpenMW or MWSE. Most mods go in Data Files.
Visit the Nexus Mods page for specific installation instructions for this mod.
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FAQ
Is Caldera Priory and the Depths of Blood and Bone safe to download?
Linked from Nexus Mods which scans all files for viruses. Always download from the official source.
Does this mod work with the latest game update?
Last updated 5/1/2025. Check the official download page for version compatibility.
Where can I learn more about Morrowind modding?
Check our complete Morrowind modding tools guide for step-by-step setup instructions.











