DatapacksJava
Lifesteal Data Pack (1.21.1, 1.20.1) – Harvest Hearts
Java data pack listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
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Lifesteal Data Pack introduces a unique gameplay mechanic where killing players allows you to steal one of their hearts, which can then be bottled and traded. This adds a strategic element to combat, encouraging players to engage in PvP encounters to gain advantages. Enjoy playing this data pack!
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Features:
- Killing players lets you steal one of their hearts, and vice versa. Hearts can be bottled and traded!
- Heart System: Hearts are transferred between players from the victim to the killer immediately upon death. Maximum hearts you can reach is 20 hearts.
- More Advancements: 9 new advancements are added, each related to the new added mechanics. They can be found in the adventure tab.
- Elimination: Once a player reaches 0 hearts, they will automatically be put in spectator mode, and their death will be announced to the server.
- Heart Trading: Players can peacefully trade and deal hearts through the new ‘heart bottle’.
- And more! New sounds, optimisations, admin commands etc.
Screenshots:












Lifesteal Data Pack Download Links
For Minecraft 1.21.1, 1.21
For Minecraft 1.20.4, 1.20.2, 1.20.1, 1.20
For Minecraft 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19
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 — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Download size: 46 KB
- Download link checked 17 Jun 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.