CurseForge · Minecraft mod
rgpmc's catastrophe
Adds new bosses to the base game, and overhauls the progression
Quick answer
Which rgpmc's catastrophe release should I use?
rgpmc's catastrophe catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar targets 1.21.8 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is rgpmc's catastrophe required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does rgpmc's catastrophe catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar need?
catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add rgpmc's catastrophe without breaking your instance.
Built for rgpmc's catastrophe catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar. It targets 1.21.8 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 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 catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar. It opens that exact file at the source.
About this project
What does rgpmc's catastrophe add?
Hunt down the host terrorizing this reality, Awaken the creature ascended past godhood. Prevent this catastrophe from ruining this dream of yours.
Catastrophe mod is an expansion and boss overhauling mod for minecraft, reworking the game's mechanics. There are over 22 planned bosses, each with unique loot, music etc. The Ender dragon and Wither are also to be reworked.
It adds a new progression system, requiring bosses to be defeated as per a progresiion system. Each boss unlocks powerful loot, makes changes in the world gen, etc to fight the next.. There is also a new mana system, which allows you to cast magic.

You can also find the full boss fights here:
Project description from CurseForge.
Pick your setup
rgpmc's catastrophe by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
rgpmc's catastrophe versions and loaders
catastrophe_mod-5.0.0-WITHERING_WITH_THE_NIGHT-neoforge-1.21.8.jar
13 May 2026
Looking for an older file? The official CurseForge project page is in Resources.