The mutant creatures mod is back. Face scary creatures and powerful beasts like never before. No longer will battles be quick and easy, now you’ll be seriously challenged by those new foes. Mutant Monsters Mod (1.21.2, 1.21.1) adds many different creatures that are buffed up versions of Minecraft’s original mobs! These mini-bosses bring greater challenges for the players, but along with that greater rewards. Each mob drops a special item that the player can use to his or her advantage.
Source: Mutant Monsters Mod (1.21.2, 1.21.1)
Check Out: Minecraft Mods
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