The mod adds souls and some things from the game undertale. For the soul you need to kill monsters like zombies and skeletons to get the souls of monsters.
Red soul - does nothing Orange soul - gives strength depending on health Yellow soul - gives speed if you do not run Green soul - gives protection if saturation is full cyan soul - gives two yellow hearts if you sneak Blue soul - gives jumping ability if you run Purple soul - gives protection at low hp
to make a soul you need to knock out a monster's soul from a monster like zombies and skeletons then by pressing RMB the soul can be repaired (3 attempts are given for this) then you need to put the soul in the middle on the workbench, Glowstone Dust on both sides and the material of the color of the soul you want on top and bottom. then you will have to press RMB again to repair the soul (5 attempts are given for this) then insert the soul by pressing RMB.
- 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.
- Ships as undertale_souls-1.2.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 487 KB
- Download link checked 21 Sept 2026 — working
These come from our own check of the pack file, not from the source page.