Fabric Mods for Minecraft Java
Browse 96 free Fabric mods for Minecraft Java — popular picks include The Umbral Eye / 虚空の蝕王オクルス, Harmony I, UJT - Immortal Tamed Pets.
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The Umbral Eye / 虚空の蝕王オクルス
A floating, void-themed endgame boss summoned by ritual. The Umbral Eye fights across three telegraphed phases — tuned so that even full netherite, a beacon, and golden apples make for only a knife's-edge win. 祭壇の儀式で召喚する浮遊ボス「虚空の蝕王オクルス」を追加。予兆付きの3段階で戦う
Harmony I
A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.
UJT - Immortal Tamed Pets
A simple mod that makes any pet or animal that has been tamed immortal by mimicking what the player's creative mode does.

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.
Mebahel's RPG - Resistance & Weakness
A lightweight and highly configurable combat framework that transforms Minecraft into a tactical experience by adding comprehensive physical (Slash, Pierce, Blunt) and elemental resistance and weakness systems to every mob.
Common Parcheds in Deserts
Replaces most Skeletons that spawn in Deserts with the Parched!
Chicken Jockey Plus
Adds commands to summon different variant jockeys
Ultimate NPC
Mod to create custom NPC, quests, trade and more
Veganism
Entities react to being hit and take revenge, animals scream and summon the Spirit of the Animals, and eating meat is punished by the Veganism effect. Supports Russian and English.
YungTwitchTTS
Interactive TTS chickens that read Twitch chat aloud, fight mobs, level up, and drop epic loot. Fabric 1.21
Witch Hunt
Add common brewing supplies to the witch loot table
STIKS_Mod - magic RPG postapocalypse
survival in postapocalypse with RPG leveling and magic

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
RpgDifficulty Mod (1.21.1, 1.20.1) – Making Minecraft Progressively Harder
RpgDifficulty Mod adds progressive difficulty to Minecraft, which depends on the time a player spends in the game and the distance they travel from spawn. The farther from spawn and the longer the player plays, the harder the game becomes-mobs have more health and deal more damage. This slightly changes the game mechanics-now, the area […]
Rotten Leather Mod (1.21.1, 1.20.1) – Create Leather out of Rotten Flesh
Rotten Leather Mod adds into the game a new mechanic, in which, players can utilise Rotten Flesh that is often dropped from the zombie and cook them into regular leather. Normally, players would gain an abundance amount of Rotten Flesh from their perpetuated battles with one of the most common mobs in the game, Zombies. […]
Gravitonian Origin
An addon for the origins mod adding the gravitonian! Tons of new mechanics!
Frozen Wasteland by Frozy
A Winter survival experience. Constant snow, hostile mobs, temperature and dehydration mechanics.
Old Friends Any Mob Sanctuary
My wife got so mad at axolotls being able to die of fall damage that I learned to do mixins about it. This mod prevents all AnimalEntities from taking damage, rendering most animals immortal.
arpglootmod
A Mod That Makes Mobs Drop ARPG Style Loot
NavNeit Engine
A Minecraft RPG expansion featuring player Stats, Skills, Jobs, and Mob Scaling, designed to make survival more challenging and rewarding.
PixelTrance
A Minecraft mod that pays homage to the art of hypnosis, blending RPG progression with immersive trance mechanics for both singleplayer and multiplayer.
What If...
Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.
Shield Parry Mod
Add Dark Souls style parry mechanics! Time your shield blocks perfectly to stun enemies for 3 seconds. Skill-based combat for Minecraft 1.21.1
Capy Origins
A modded Minecraft server with new biomes, animals, and gameplay mechanics based on innovative ecosystems.