Fabric Mods for Minecraft Java
Browse 20 free Fabric mods for Minecraft Java — popular picks include Ad Astra: More Structures, Mebahel's Creatures - Draugr Invasion, Slayer's Beasts.
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Ad Astra: More Structures
Add lots of structures, dungeons and bosses in the Ad Astra planets
Mebahel's Creatures - Draugr Invasion
This mod introduces a full bestiary of Draugrs inspired by Skyrim, a boss with advanced AI, powerful magical items, shared multiplayer chests, new structures, and a raid system that turns the player into the hunted.
Slayer's Beasts
Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.
Aerial Hell
Sky Dimension & Dungeons, Bosses - from 1.16.5 to 26.1.x
Chrono Dawn
Adds Chrono Dawn, a time-themed dimension with custom portals, boss battles, and time-manipulating artifacts. Supports Fabric & NeoForge.
Antarchy
A re-imagining of the classic Orespawn mod adding 45+ mobs, 8+ bosses, 3 fleshed out dimensions, and more
ANARCHY RPG - Bosses and Trials
Rogue Exile inspired Faction mod!
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
Shuumatsu no Valkyrie: Project Ragnarok
This mod is based off the manga and anime Shuumatsu no Valkyrie: Record of Ragnarok. It has skills, weapons, enchantments, transformations, races, abilities, dimensions. biomes, structures, bosses, mobs, stats, and most importantly, BUDDA
DAG Mod
Race & class system, 200-level progression, custom dungeons, boss battles, two custom dimensions, NPC quests, party play, and craftable consumables with real combat effects. Everything in one mod.
Summoner Mod
A mod that adds 4 bosses and 4 structures. Almost no dependencies!
Fred's Pack 3
A mod that adds all kinds of stuff, from new blocks to new dimensions to new bosses

Skillbound-RPG
Skillbound transforms Minecraft into a classic RPG with level-based skills, improved combat progression, magic, prayers, Slayer tasks, bosses, new equipment, and rewarding unlocks as you advance from levels 1–99.
Raijin's Wrath
Unleash the wrath of Raijin — a Fabric adventure of thunder-forged gear, lightning-touched foes, summonable bosses, sacred shrines, and an in-game compendium guiding your ascent.
Relics RPG Series Mod (1.21.1, 1.21) – Spell And Combat Boosting Relics
Relics RPG Series Mod adds a collection of magical trinkets that enhance spellcasting and combat. Over forty unique items come with distinct perks and artwork, obtained through crafting, dungeon exploration, and boss encounters. Features: 40+ unique trinkets with different perks and visuals. Boosts spell-focused and melee or ranged combat builds. Some relics craftable using jewelry […]
Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses
Slayer's Beasts Mod is an RPG mod in development, adding a large amount of fantasy content to the game. You will have access to new biomes to explore, new blocks, various dungeons, monsters, and much more. Features: Ant colonies Praying mantis Wither spider Ambient damselflies Ents (Oak & Birch – more to come) White/Black mushrooms […]
Archon Mod (1.20.1, 1.19.2) – Sorcery, Necromancy, Bosses & More
Archon Mod is a vanilla-style magic mod for Minecraft that introduces mana, magical weapons, spells, necromancy, summonable bosses, new structures, and various magical mechanics. Features: Mana System: Players accumulate mana, which can be used for casting spells, magic weapons, and tools. Mana regeneration speed and capacity can be improved. Magical Crafting: The mod encourages mining […]
Mega Horror
An Insane full horror Mod With Custom Boss, Insane items, custom Dimensions and much more!!
gurkmod
gurkmod extends the vanilla experience with diverse features like new mobs and bosses, blocks, machines, biomes and a new dimension.
World Bosses
Summon, fight, and loot epic world bosses across every dimension, with custom shrines, ritual items, raid rewards, trophies, and a final primordial boss.