L_Ender 's Cataclysm Needed by Cataclysm x YUNG's Better Nether Fortresses Compat cataclysmfortresses-1.21.1-NeoForge.jar
requiredMatching file found Matched file: L_Ender's Cataclysm 1.21.1-3.33.jar
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CurseForge · Minecraft mod
Cataclysm x YUNG's Better Nether Fortresses Compat
Cataclysm's Ignited Berserkers can now spawn in YUNG's Better Nether Fortresses after defeating Ignis
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Cataclysm x YUNG's Better Nether Fortresses Compat release should I use?
Latest stable file cataclysmfortresses-1.21.1-NeoForge.jar
Game version 1.21.1
Loader NeoForge
Cataclysm x YUNG's Better Nether Fortresses Compat cataclysmfortresses-1.21.1-NeoForge.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 5 required mods have matching files.
Where it goes
Is Cataclysm x YUNG's Better Nether Fortresses Compat required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release NeoForge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source does not explicitly classify this release as client-only or server-only.
What else does Cataclysm x YUNG's Better Nether Fortresses Compat cataclysmfortresses-1.21.1-NeoForge.jar need?
cataclysmfortresses-1.21.1-NeoForge.jar. Change the file and its required mods may change too.
Install L_Ender 's Cataclysm, YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY], Curios API, Lionfish API and 1 more first. We found matching files for this game-version and loader setup. 3 come through another mod in the chain.
2 listed on this file 3 pulled in by those mods
YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY] Needed by Cataclysm x YUNG's Better Nether Fortresses Compat cataclysmfortresses-1.21.1-NeoForge.jar
requiredMatching file found Matched file: [1.21.1] YUNG's Better Nether Fortresses v3.1.5 (NeoForge)
Curios API Needed by L_Ender 's Cataclysm
pulled inMatching file found Matched file: curios-neoforge-9.5.1+1.21.1.jar
Lionfish API Needed by L_Ender 's Cataclysm
pulled inMatching file found Matched file: lionfishapi-3.1.jar
YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY] Needed by YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY]
pulled inMatching file found Matched file: [1.21.1] YUNG's API v5.1.9 (NeoForge)
3 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Cataclysm x YUNG's Better Nether Fortresses Compat without breaking your instance.
Built for Cataclysm x YUNG's Better Nether Fortresses Compat cataclysmfortresses-1.21.1-NeoForge.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use cataclysmfortresses-1.21.1-NeoForge.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install L_Ender 's Cataclysm, YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY], Curios API, Lionfish API and 1 more first. We found matching files for this game-version and loader setup. 3 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside cataclysmfortresses-1.21.1-NeoForge.jar. It opens that exact file at the source.
About this project
What does Cataclysm x YUNG's Better Nether Fortresses Compat add?
Allows L_Ender's Cataclysm's Ignited Berserkers to spawn in YUNG's Better Nether Fortresses after defeating Ignis, allowing compatibility between the two mods.
(This is done by simply adding the Better Fortress structure to Cataclysm's "#berserker_spawn" tag)
Of course, requires L_Ender's Cataclysm, YUNG's Better Nether Fortresses, and their dependencies.
It should work correctly now. If it doesn't scream in the comments some more so I can fix it :)
Project description from CurseForge.
Pick your setup
Cataclysm x YUNG's Better Nether Fortresses Compat by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.1
1 loader buildMinecraft version
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Cataclysm x YUNG's Better Nether Fortresses Compat versions and loaders
cataclysmfortresses-1.21.1-NeoForge.jar
23 Oct 2025
Client Source doesn’t say Server Source doesn’t say Dependencies 5 required · matched Listed on Release listing
Check the 1.21.1 · NeoForge setup NeoForge1.21.1 release
cataclysmfortresses-1.20.1-Forge.jar
23 Oct 2025
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
Looking for an older file? The official CurseForge project page is in Resources.
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