Mobs

A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.

Rare and strong mobs will spawn, dropping illegally enchanted gear

A mod that reworks mob AIs. Including some bosses.

Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.

Deadly Deadly Dungeon add new sprawling randomly generated dungeons with multiple levels of difficulty, loot and bosses. The datapack is ideal if you want an adventure or a real challenge. Can you beat the dungeon?

A Fabric Server Side Mod that focuses on expanding content surrounding the mysterious Illagers in Minecraft!

Hords is a survival mod for Minecraft that spawns dangerous mob hordes led by powerful bosses.

Adds 4 new types of spiders that can spawn as well as a spider queen boss that spawns in new spider den structures and many new items.