Fabric Mods for Minecraft 1.21

Browse 17 free Fabric mods for Minecraft 1.21 — popular picks include The Lost Castle [NeoForge/Fabric], Medieval Buildings [End Edition], Medieval Buildings - New Structures!.

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17 mods

1.21.1neoforge

The Lost Castle [NeoForge/Fabric]

A gigantic castle that once was the home of a long forgotten civilization

21Mdownloads

1.21.5neoforge

Medieval Buildings [End Edition]

New incredible medieval-style structures for the End!

18Mdownloads

1.20.2neoforge

Medieval Buildings - New Structures!

Add exciting medieval buildings with hidden enemies and treasures to the world!

17Mdownloads

1.21.9neoforge

Medieval Buildings [Nether Edition]

New incredible medieval-style structures for the Nether!

7.9Mdownloads

1.21.1neoforge

CastleBlocks

Alternative to chunk claiming, build castles instead!

555kdownloads

1.21.8fabric

Grim Kingdoms: Lost structures & ruins

Adds Castles - Unique vanilla mobs/ hidden items

249kdownloads

1.21fabric

Grim kingdoms: Vanilla Edition

Adds Castles : Both mod versions are vanilla, this version simply removes unique vanilla special items

176kdownloads

1.21fabric

Our Story - Earth

A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.

25kdownloads

1.21.3fabric

NMI - server side mods only

This is a collection of over ✨150+✨ server side mods that enhance your gameplay with voice chat, factions, economy, seasons, dungeons, buildings, mobs and much more. 🌌

11kdownloads

1.21.5fabric

-<[Zareh's Better Vanilla+]>-

"This isn’t about adding a million features. It’s about curating the right ones— So that every sunrise, cave, village, and ruined castle Feels like a place you want to live in."

1.4kdownloads

1.21.1fabric

Mystical Medieval Roleplay [Ultimate Experience]

The ultimate modpack experience with the most comprehensive mod selection and features for players who want everything. Includes everything from the base modpack plus extensive additions across all categories for maximum content and customization.

368downloads

1.21.1fabric

PovertyCraft

PovertyCraft is a modpack focused on exploration, light RPG elements, and immersive building. It adds new biomes, structures, dungeons, nothing overly complex. Don't take the name seriously, it's a joke between friends.

223downloads

1.21.8fabric

RevivalRpMods

A Minecraft 1.21.8 modpack for roleplay servers. Adds new biomes, dungeons, RPG skill trees, building blocks, and tech mods for survival and adventure.

104downloads

1.21.1fabric

TDmon Mod (1.21.1, 1.20.1) – More Custom Pokémon

TDmon Mod is an addon for Cobblemon, adding custom Pokémon to the Cobblemon mod. This mod adds 5 new Pokémon to the game. Features: Stunfisk is uncommonly found in the Swamp, while Galarian Stunfisk is in the Taiga forest. All the monkeys can be rarely found in the Jungle. Be sure to check the Castle […]

1.21.8fabric

Mo' Structures Mod (1.21.8, 1.20.1) – Flying Castle, Jungle Pyramids, &#038; More

Mo' Structures Mod is a structures mod with loot & spawners in some structures, to increase the RPG aspect of Minecraft. Features: Adds a variety of structures like jungle pyramids, floating castles, pirate ships, and more. Each structure comes with its own backstory, enhancing the RPG aspect of the game. Includes fun mini-dungeons for players […]

1.21fabric

Epic Dungeons: A Roguelike Journey

Awesome uniquely varied epic dungeons, from the buried Crystal Castle to the spider-infested Forgotten Sewers. Your traveller's journey begins!

776kdownloads

1.21fabric

Arden's DnD 5e Races (Origins - Fabric)

Adds the base player races from Dungeons and Dragons 5th edition as Origins.

8.8kdownloads