ModpacksJava
Sem's Immersive Wither Storm
Java modpack listed for Minecraft 1.20. File opened and checked on 22 Sep 2026; downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Sem's Immersive Wither Storm uses Lithosphere, William Wyther's world generation, and various immersion mods to create a seamless world.
Upon world creation, a 10 minute countdown will start before the Wither Storm is automatically spawned in.
Use nearby roads as they will lead you to villages with decent loot.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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.
File checked by MCModsHub
- Downloads as siws_alpha 0.1.0.mrpack
- Download size: 612 KB
- Download link checked 31 Oct 2026 — working
These come from our own check of the pack file, not from the source page.