
When Dungeons Arise
Adds various elegant -and likely hostile- roguelike dungeons and structures that generate on your worlds!
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About this Mod

When Dungeons Arise is a massive dungeon generator which gathers plenty of dungeons and generates them randomly on your worlds to ensure glorious adventures and challenges. We have took a step away from standard vanilla structures, resulting in imposing dungeons to lose yourself into.
However, be wary when you venture into a palace in search of precious loot, and don't forget to land safely after raiding a hostile airship. Dungeons will generate foes to keep you away from them... at least until you're ready to walk across countless, dangerous passages...
Currently generates 30+ unique structures.
Requires both Cloth Config API and Fabric API (on Fabric versions)
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Available Versions
How to Install When Dungeons Arise 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 (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "When Dungeons Arise". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.6 (+17 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
When Dungeons Arise 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 (1.21.1). You can switch loaders with one click in the panel.
Is When Dungeons Arise compatible with fabric and forge and neoforge?
When Dungeons Arise officially supports fabric, forge, neoforge for Minecraft 1.21.1, 1.21, 1.20.6. 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 When Dungeons Arise – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if When Dungeons Arise 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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Rent Modded Server
Install When Dungeons Arise with just one click on your server.