Key Features:
Blocks all hostile mob spawns above Y=128 in the Nether dimension
Preserves friendly mobs (passive, tameable, villagers, golems)
Zero performance impact - uses efficient entity load event handling
Perfect For:
SMP servers wanting to prevent Nether roof farms
Players who want to build on the Nether roof without mob interference
Modpacks needing controlled Nether spawns
Installation:
Drop the jar file into your mods folder
No configuration needed - works out of the box
The mod maintains perfect vanilla behavior while solving the specific problem of unwanted Nether roof mobs. Its surgical approach only affects the exact mobs you want to control, leaving all other game mechanics untouched.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.7
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as NoNetherRoofSpawns-8.0.jar — drop this file into the mods folder
- Download size: 4 KB
- Download link checked 21 Aug 2026 — working
These come from our own check of the pack file, not from the source page.