This datapack disables the diamond and netherite armour and limits the player to have only 3 hearts.
Datapack in hardcore:
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- 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 — see the MC Java Mods guides for the full walkthrough.
Verified by MCModsHub
- Downloads as Styzex's ultra hardcore.zip
- Download size: 4 KB
- Download link checked 19 Aug 2026 — working
These come from our own check of the pack file, not from the source page.