1HP-Challenge_1.21.2-26.3_V1.2.zip is a release file of the Minecraft data pack OneHP Challenge, made for Minecraft 26.3. It was published on September 18, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the OneHP Challenge data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.