UNDEADv.1.3.release+Biome[SPAWNRATE INCREASES INCLUDED] is a release file of the Minecraft mod THE UNDEAD REVAMPED for Forge, made for Minecraft 1.16.5. It was published on November 8, 2021 and is 10 MB in size. For the full description, screenshots and every other version, visit the THE UNDEAD REVAMPED mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.