Nether Expansion mod
The author built this one for Minecraft 1.21.4 on NeoForge. On other versions it may install and then do nothing.
NETHER EXPANSION:
Hello!
The mod is being created from scratch, this time for version 1.21.4.
It's based on my old project that wanted to add the content of 1.16 into 1.15.2 (I did that because my old PC wouldn't run versions higher than 1.16)
This mod plans to add:
New biomes to the Nether (either 3 or 5 new biomes)
-Soulful Forest (Done)
-Fungus
-Molten Wastes
Structures
-Decorative
-Large Structures
Minerals and Tools
-Soul Ingot Pack (Done)
-Ruby
-Nether Scales Pack (Done)
New mobs (either 2 per biome)
-Funglin Race
-Soul Blaze
-Soul Ghost
-Wisp
And more!.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- 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 CurseForge — 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 the_nether_update_mod_1_15_2.jar — drop this file into the mods folder
- Download size: 34.1 MB
- Download link checked 25 Sept 2026 — working
These come from our own check of the pack file, not from the source page.