UniDict-1.12.2-2.9.2.jar is a release file of the Minecraft resource pack Pure-Core_PvP_Pack , made for Minecraft 1.12.2. It was published on December 26, 2018 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Pure-Core_PvP_Pack resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
