Grombie.zip is a release file of the Minecraft resource pack Grombie, made for Minecraft 1.15.1. It was published on December 29, 2019 and is 5 MB in size. For the full description, screenshots and every other version, visit the Grombie resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
