When Dungeons Arise
by Aureljz
A structure mod that generates massive, elaborate dungeon structures throughout the world with unique architecture and loot.

Overview
When Dungeons Arise is a adventure mod created by Aureljz. A structure mod that generates massive, elaborate dungeon structures throughout the world with unique architecture and loot. As a adventure mod it concentrates on exploration, structures, and new things to fight, and it has been downloaded around 25 million times, which puts it among the options players reach for in this space.
When Dungeons Arise is built for players who want hand-crafted dungeons with bosses and loot to raid. It seeds the world with large themed structures, each defended by unique mobs and rewarding dedicated loot rooms. It is approachable enough to drop into a world and use right away, with little setup required.
The mod is available for Forge, Fabric, and NeoForge, so it fits a range of modpacks and launchers. It currently supports Minecraft 1.20.1 and 1.21.1, spanning the 1.20.1 to 1.21.1 releases. It runs on both the client and the server, so on a multiplayer server every player who connects needs it installed alongside the server itself.
Mod Loaders
Minecraft Versions
Key Features
When Dungeons Arise brings a focused set of features to the table. Highlights include 20+ massive structures, plus custom loot tables, with the full list below.
- 20+ massive structures
- Custom loot tables
- Varied architectural styles
- Configurable spawn rates
- Integration with worldgen
Tags
How to install When Dungeons Arise
When Dungeons Arise supports Forge, Fabric, and NeoForge; pick one loader (you cannot mix them) and install it for your chosen Minecraft version. It is built for Minecraft 1.20.1 and 1.21.1, so make sure your profile uses one of those versions.
- 1Choose and install one mod loader from Forge, Fabric, and NeoForge for a Minecraft version this mod supports (1.20.1 and 1.21.1).
- 2Check the download page for any required libraries. When Dungeons Arise lists no hard dependencies here, but it is always worth confirming for your exact version.
- 3Drop the When Dungeons Arise .jar file into your instance's mods folder. On a server, place it in the server's mods folder instead, and make sure every connecting player has it too.
- 4Launch the game with that loader profile and confirm When Dungeons Arise appears in the in-game mods list; if it does not load, re-check the loader, the Minecraft version, and any library requirements.
Supported Minecraft versions: 1.20.1 and 1.21.1. Always download the build that matches your version exactly, as mod files are version-specific.
See our full mod install guideCompatibility & alternatives
Because it ships for both Fabric and Forge-family loaders, it slots into most popular modpacks regardless of which side they are built on.
When Dungeons Arise has a modest footprint for what it adds and is widely used in modpacks without notable performance concerns.
If you are comparing options, similar mods include When Dungeons Arise and YUNG's Better Dungeons. They cover comparable ground, so the right choice usually comes down to your loader, version, and the rest of your pack.
Frequently asked questions
What does the When Dungeons Arise mod do?
A structure mod that generates massive, elaborate dungeon structures throughout the world with unique architecture and loot. It is a adventure mod by Aureljz, aimed at players who want hand-crafted dungeons with bosses and loot to raid.
Is When Dungeons Arise Forge or Fabric?
When Dungeons Arise supports Forge, Fabric, and NeoForge. You only install it on one of these loaders, never several at once, so choose the one your pack uses.
What Minecraft versions does When Dungeons Arise support?
When Dungeons Arise supports Minecraft 1.20.1 and 1.21.1. Be sure to download the file built for your specific version, since mod jars are not interchangeable across versions.
Does When Dungeons Arise need any dependencies?
No, When Dungeons Arise lists no required mod dependencies here, so it works as a standalone install. It is still wise to confirm on the download page for your exact version.
Can I use When Dungeons Arise on a multiplayer server?
Yes. When Dungeons Arise runs on client and server, so install it on the server and make sure every player who joins has the same version installed too.
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