RotN_Wither_v.3.0-1.12.2 is a release file of the Minecraft resource pack Rebirth of the Night: Wither, made for Minecraft 1.12.2. It was published on April 6, 2023 and is 0 MB in size. For the full description, screenshots and every other version, visit the Rebirth of the Night: Wither resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.