Ember's Underground Rooms
New underground dungeons with varied rooms, treasure and enemies! Now with achievements!
Screenshots
About this Mod
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Underground Rooms adds fascinating new underground dungeons to the world. All of them have loot, enemies and sometimes even traps. Dungeons can spawn with multiple rooms, but that is still experimental.
This mod currently adds 4 different dungeons and many standalone rooms.
Dungeons
The Library
In your world, you may stumble across an ancient ruin. If you take the hidden stairs and descent into its cellar, then you will find a gigantic library filled with books, witches and valuable treasure ...
The Jungle Dungeon
This old dungeon was once used as a magical laboratory by a powerful witch. Now only her former familiars are left, protecting a long-lost home ...
The Undead Dungeon
A deadly, mysterious dungeon filled with ritual rooms, tombs and ancient libraries. Beware of undead foes. Though, perhaps you might find some treasure in there ...
The Ancient Dungeon
The Ancient Dungeon is older than history itself. It is filled to the brim with deadly enemies, dangerous traps and even a mini boss!
Rooms
- Alchemy Laboratory: A small room with dungeon loot, a witch spawner, plants and brewing stands.
- Enchanting Room: A tiny library with an enchantment table.
- Blacksmith room: A blacksmith room with an anvil and a couple of other useful smithing blocks.
- Dungeon: A dungeon with 2 cells. Watch it, it's infested with undead!
- Throne Room: A huge throne room with dangerous monsters and high-tier treasure!
- Library: A big room filled to the brim with magical bookshelves - but beware, there might be more lurking in the shadows ...
- Mining Storage Room: A rare storage room filled with ores and blast furnaces. Only spawns in mountains and taigas. Legend says it was once used by dwarfs ...
- Treasure Room: The treasure room is an extremely rare room with gold, diamonds and iron. Have fun looting!
- Torture chamber: A gruesome place, truely.
- Wine cellar: A small room with wine shelves. Beware, there are foes in there too!
- Desert crypt: A rare crypt that only spawns in the desert. It's filled with dangerous traps!
- End room: The very end has made its way into the overworld - find the end room, it's filled with mysteries.
- Hidden temple: A small ruin that rarely spawns in jungles.
Thats about it! More to be added soon. Have fun! Questions can be asked in the comments, for frequent ones, we will add an FaQ.
Hidden temple
Available Versions
How to Install Ember's Underground Rooms on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.10).
Install Mod
Open the mod browser in the dashboard and search for "Ember's Underground Rooms". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.10, 1.21.9, 1.21.8 (+14 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Ember's Underground Rooms server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.10). You can switch loaders with one click in the panel.
Is Ember's Underground Rooms compatible with fabric and forge and neoforge?
Ember's Underground Rooms officially supports fabric, forge, neoforge for Minecraft 1.21.10, 1.21.9, 1.21.8. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Ember's Underground Rooms – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Ember's Underground Rooms consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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