HarderCobble [PxBr] v1.1 [1.12.2] is a release file of the Minecraft mod Harder Cobblestone PART OF "PxBr_Core"!!!, made for Minecraft 1.12.2. It was published on October 26, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Harder Cobblestone PART OF "PxBr_Core"!!! mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.