skyhunters-buried-halls-1.3-mc1.21.5-1.21.8.zip is a beta file of the Minecraft data pack SH: Buried Halls | Underground Dungeon Structures, made for Minecraft 1.21.8, 1.21.5, 1.21.6, 1.21.7. It was published on September 3, 2026 and is 0.2 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the SH: Buried Halls | Underground Dungeon Structures 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.