ModsJava
Wither Spawn Fix WSA Compatible Mod (1.21.1, 1.20.1) – Boss Spawn Stability
Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
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Wither Spawn Fix WSA Compatible Mod ensures the Wither can spawn correctly even when small blocks interfere, while still keeping the animated altar effects from the Wither Spawn Animation mod.
Features:
- Corrects Wither spawning logic to avoid glitches.
- Ensures full compatibility with WSA mod.
- Prevents broken or failed Wither spawns.
Screenshots:
Wither Spawn Fix WSA Compatible Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 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: In MC Java Mods, or directly above on this page.
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 174797.mcaddon
- Download size: 443 KB
- Download link checked 23 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.