HealthLock

his mod is designed for Minecraft 1.20.1 with Forge loader. It features excellent compatibility and runs stably in large modpacks without crashes or conflicts. When enabled, your health will be locked at half a heart and stop decreasing. You will be immune to all damage from vanilla game and other mods, while still being able to heal normally.
It supports customizable hotkeys. The default toggle key is G, which can be changed in in-game key settings. Corresponding prompt messages will show in chat when you turn the function on or off. Lightweight and built with official APIs, this mod consumes few resources and is easy to use.