OneHP

1HP

This datapack gives you the ability to play with only Half a Heart, which makes survival extremely challenging. It’s designed for players who want to push their limits and experience Minecraft in a whole new way.

How to Install

1. Download the 1HP datapack .zip file or folder.
2. Place it inside your world’s datapacks/ folder: .minecraft/saves/<Your_World>/datapacks/
3. Launch the world.
4. Your health will instantly be reduced to 1 HP (0.5 hearts)!

Features

• Sets player max health to 1 (half a heart).
• Affects the current player only.
• Not yet compatible with multiplayer.
• Lightweight and efficient.

Challenge Ideas

You can make survival even harder by combining this datapack with:

• Hardcore mode
• No armor rules
• Timed survival goals (e.g. survive 1 hour)
• Mob difficulty increase datapacks
• No natural regeneration

Compatibility

• Minecraft version: 1.21.5
• Singleplayer only (multiplayer support planned for future versions)
• Compatible with most datapacks unless they directly change player health