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Minecraft Java 1.21 Mods

Browse 2,005 free mods for Minecraft Java 1.21 — popular picks include FeelTrue_so_Plenty, TreexCastle - Durable blocks that drop loot., Texolith's Essence (New).

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FeelTrue_so_Plenty
1.21

FeelTrue_so_Plenty

FeelTrue_so_Plenty It’s an add‑on for those who play with the Biomes O’ Plenty mod to immerse you completely in his news.

198downloads
TreexCastle - Durable blocks that drop loot.
1.20spigot

TreexCastle - Durable blocks that drop loot.

Durable blocks that drop loot.

178downloads
Texolith's Essence (New)
1.21.5

Texolith's Essence (New)

Cleaner, immersive Minecraft visuals with a medieval tone — no straying too far from the original.

84downloads
DRdung - a plugin for dungeons in your world
1.16spigot

DRdung - a plugin for dungeons in your world

Plugin for custom dungeons with resources

66downloads
VortexCore - Clans, Villages, Dungeons & War
1.21spigot

VortexCore - Clans, Villages, Dungeons & War

Miscellaneous, Roleplay, Mechanics

56downloads
Mirath
1.20spigot

Mirath

Medieval Economy Kingdoms Jobs

53downloads
Ultimate Fallen Kingdoms ⚔️  | Multi-Arena ⭐ Top NPCs ⭐ Stats ⭐ 10 Langs
1.21spigot

Ultimate Fallen Kingdoms ⚔️ | Multi-Arena ⭐ Top NPCs ⭐ Stats ⭐ 10 Langs

Complete Fallen Kingdoms gamemode for 1.21 | Multi-arena, top NPCs, stats, 10 languages

23downloads
Vyrnax MMORPG Core | Ultimate RPG | Classes, Bosses, Dungeons & More
1.21spigot

Vyrnax MMORPG Core | Ultimate RPG | Classes, Bosses, Dungeons & More

Build your complete Minecraft MMORPG with one powerful modular core

22downloads
SoapsFloor | Vertical Dungeon
1.21spigot

SoapsFloor | Vertical Dungeon

A vertical dungeon game where every drop is a fight.

22downloads
Chicken Jockey Tower
1.21.11

Chicken Jockey Tower

I added Chicken Jockey Towers to Minecraft. In Minecraft Dungeons, there's a rare chance of six zombies spawning on top of a chicken. When the chicken gets hit, the zombies scatter around and attack the player.

18downloads
Nobiliarchy ⚜️ The Ultimate Noble Tier & Faction Core [1.13+]
1.21spigot

Nobiliarchy ⚜️ The Ultimate Noble Tier & Faction Core [1.13+]

factions, kingdoms, medieval, rpg, hierarchy, claims, glory, noble, 1.21, alpha

15downloads
LandFight
1.21paper

LandFight

一个快节奏的国战服玩法!

2downloads
ThreeKingdomWar
1.21.5paper

ThreeKingdomWar

A plugin for a three kingdom war

2downloads
TownGenesis
1.20paper

TownGenesis

TownGenesis | Next-Generation Civilization & Nation Simulation

1downloads
Biomesque Relics Mod (26.2, 1.21.1) – Raid Dungeons and Loot Towers
1.21.1

Biomesque Relics Mod (26.2, 1.21.1) – Raid Dungeons and Loot Towers

Biomesque Relics Mod populates your world with 26 vanilla-style structures across different biomes. It fills empty lands with watchtowers, hidden dungeons, villager camps, and underground hives. Each location brings custom loot chests and hostile mob spawners to challenge you during your journey. You can also fight forgotten enemies like the Illusioner inside special towers. It […]

Lithic Vault Trials Modpack (1.21.1) – Conquer Underground Trials And Tech
1.21.1

Lithic Vault Trials Modpack (1.21.1) – Conquer Underground Trials And Tech

Lithic Vault Trials Modpack traps you deep inside a world made entirely of solid stone where you must dig, build, and survive. Talk with helpful holographic Echo NPCs, breed resource chickens, and power up a giant ancient machine to uncover lost technology. Defeat tough dungeon bosses and master high-tech reactors to craft godlike endgame gear. […]

Integrated Dungeons Arise Data Pack (1.21.1, 1.20.1) – Conquer Massive
1.21.1

Integrated Dungeons Arise Data Pack (1.21.1, 1.20.1) – Conquer Massive

Integrated Dungeons Arise Data Pack overhauls structures from When Dungeons Arise by rebuilding them with popular modded blocks and balanced loot tables. It blends classic fortresses into your world with smooth terrain blending and cleaner mob spawners. The data pack replaces modified enemies with vanilla mobs while boosting spawner range to keep battles fast and […]

Simple Rustic Glass Resource Pack (1.21.11, 1.20.1) – Rustic Iron Borders
1.21.11

Simple Rustic Glass Resource Pack (1.21.11, 1.20.1) – Rustic Iron Borders

Simple Rustic Glass Resource Pack restyles all vanilla glass blocks with a dark-iron border. This pack gives standard clear glass and every stained glass variant a classic, rustic outline. It helps your windows stand out in medieval castles, cabins, and cozy cottages without changing the core look of your world. Features: Adds a clean dark-iron […]

Katters Structures Dungeon Data Pack (26.2, 1.21.1) – Raid Deadly Dungeons
1.21.1

Katters Structures Dungeon Data Pack (26.2, 1.21.1) – Raid Deadly Dungeons

Katters Structures Dungeon Data Pack adds dungeon builds and tough encounters from Katters Structures into your world. This pack fills your underground and skies with traps, monsters, and valuable treasures to find. You can explore ruined towers, hidden dens, and sky shrines without changing base game block types. It gives survival players fresh combat challenges […]

FF's Terra Forge Modpack (1.21) – Explore Massive Biomes And Dungeons
1.21

FF's Terra Forge Modpack (1.21) – Explore Massive Biomes And Dungeons

FF's Terra Forge Modpack fills your world with fresh landscapes, deep caves, and upgraded structures while keeping the classic gameplay you know. You can travel across vast wilderness areas, uncover ancient ruins, and gather unique building blocks for your base. Every dimension offers new sights to see and dangerous places to conquer. Features: Vast World […]

Integrated Seven Seas Data Pack (1.21.1, 1.20.1) – Battle Hostile Pirate Ships
1.21.1

Integrated Seven Seas Data Pack (1.21.1, 1.20.1) – Battle Hostile Pirate Ships

Integrated Seven Seas Data Pack overhauls the structures from When Dungeons Arise – Seven Seas. It decorates ship interiors using blocks and items from Create, Quark, Supplementaries, and Farmer's Delight. The data pack adds more monsters inside each vessel and balances chest loot for survival gameplay. Every ship now spawns only in deep ocean waters […]

Dungeons and Villages Deeper and Darker Data Pack (1.21.11, 1.20.1)
1.21.11

Dungeons and Villages Deeper and Darker Data Pack (1.21.11, 1.20.1)

Dungeons and Villages Deeper and Darker Data Pack adds new dungeon structures for the Deeper and Darker mod. It fills the dark Otherside dimension with sprawling underground locations to search through. Players can battle fierce mini bosses across dozens of dark rooms and gather valuable items from hidden treasure troves. Features: Adds 2 massive dungeon […]

Tensura Cataclysm Loot Data Pack (1.21.1) – Earn Rare Magic Drops
1.21.1

Tensura Cataclysm Loot Data Pack (1.21.1) – Earn Rare Magic Drops

Tensura Cataclysm Loot Data Pack adds items from the Tensura: Reincarnated mod to mob drop tables in L_Ender's Cataclysm. Defeating powerful bosses and dungeon monsters rewards you with elemental essence, cores, shards, and magic ores. Each Cataclysm structure matches its thematic element, giving you clear targets when farming specific materials. This integration helps connect combat […]

Middle Age Castles Mod (1.21.11, 1.20.1) – Trade with Castle Villagers
1.21.11

Middle Age Castles Mod (1.21.11, 1.20.1) – Trade with Castle Villagers

Middle Age Castles Mod introduces four medieval castle structures that generate naturally across different biomes. Three of these large fortresses serve as peaceful homes for villagers, giving you lively settlements to visit during your travels. The fourth stronghold is occupied by hostile bandits that attack anyone who gets close. Each castle features a custom build […]

Dragon Priest Mod (1.21.1, 1.20.1) – Raid Nordic Crypts and Claim Legendary
1.21.1

Dragon Priest Mod (1.21.1, 1.20.1) – Raid Nordic Crypts and Claim Legendary

Dragon Priest Mod brings the iconic dragon priest masks, weapons, and dungeons from The Elder Scrolls into Minecraft. You can explore ancient Nordic ruins, fight undead Draugr lurking in cold biomes, and face powerful boss monsters. The mod adds a unique time-travel dimension called the Past, where you find the Dragon Forge to craft custom […]

Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts
1.21.1

Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts

Threateningly Mobs Continued Mod fills your world with dangerous creatures, summoning bosses, structures, and strong gear. It populates vanilla biomes with high-health monsters that hunt livestock and challenge survival players. You can forge unique weapons, explore dungeons and altars across multiple biomes, and open a portal to an uncharted dimension. Features: Spawns hostile creatures across […]

Mine Clash Mod (1.21.1, 1.20.1) – Command Clash Royale Armies
1.21.1

Mine Clash Mod (1.21.1, 1.20.1) – Command Clash Royale Armies

Mine Clash Mod brings troops, defensive towers, and strategy elements from Clash Royale into Minecraft. You can spawn classic combat units like PEKKA, Valkyrie, and Mega Knight to assemble your own custom army. The mod lets you test these iconic fighters against hostile monsters or challenge friends in player-versus-player arena battles. It also introduces defensive […]

Overgeared X Epic Knights Mod (1.21.1, 1.20.1) – Forge Knight Armor
1.21.1

Overgeared X Epic Knights Mod (1.21.1, 1.20.1) – Forge Knight Armor

Overgeared X Epic Knights Mod adds forging and casting compatibility between Epic Knights and Overgeared. In standard setups, items from Epic Knights rely on default crafting tables, which ignores the detailed smithing mechanics of Overgeared. This mod removes those standard recipes and integrates medieval armor, weapons, and shields into the forging, casting, and assembly stations. […]

Fantasy Knights & Factions Mod (1.21.1, 1.20.1) – Watch Rival Armies Clash
1.21.1

Fantasy Knights & Factions Mod (1.21.1, 1.20.1) – Watch Rival Armies Clash

Fantasy Knights & Factions Mod adds fantasy encounters for Villagers Reborn. It also works perfectly on its own to fill your world with new creatures, wandering guards, and sudden battles. You can stumble upon two different groups fighting each other while you explore. It brings special events that happen out of nowhere to keep your […]

Pillagers Plus Mod (1.21.1, 1.20.1) – Survive Harder Raids and Conquer Pillager
1.21.1

Pillagers Plus Mod (1.21.1, 1.20.1) – Survive Harder Raids and Conquer Pillager

Pillagers Plus Mod adds a large variety of new enemies and structures to your world. It expands the vanilla raid system by introducing 12 unique pillager types, each with their own weapons and abilities. The mod also generates new outposts, a large castle, and even a pirate ship to explore. You will find different pillager […]

Kingdom Keys Re Mind Mod (1.21.1, 1.20.1) – Master Classic RPG Spells
1.21.1

Kingdom Keys Re Mind Mod (1.21.1, 1.20.1) – Master Classic RPG Spells

Kingdom Keys Re Mind Mod extends Kingdom Keys 2 with powerful new spells and abilities from classic role-playing games. It brings famous magic attacks and special combat forms into your world. You can cast elemental spells, transform into different light or dark modes, and even use special moves if you play with the Epic Fight […]

Xen Addons Mod (26.1.2, 1.21.11) – Find Hidden Dungeon Secrets
1.21.11

Xen Addons Mod (26.1.2, 1.21.11) – Find Hidden Dungeon Secrets

Xen Addons Mod brings back classic quality-of-life additions for Hypixel SkyBlock players. It packs in helpful dungeon tools, chat shortcuts, and inventory updates that make playing on the server much easier. The mod changes how menus work to feel more like older versions of the game while adding modern helpers like price tags and secret […]

MC Endgame Mod (26.2, 1.21.11) – Turn the Endgame Into an Action RPG Dungeon
1.21.11

MC Endgame Mod (26.2, 1.21.11) – Turn the Endgame Into an Action RPG Dungeon

MC Endgame Mod brings a massive action RPG update to your world with endless dungeons and powerful loot. It gives you a whole new way to play after you beat the usual bosses. You can fight custom enemies, collect unique gear, and test your skills in rooms that change every time you enter. Features: Procedural […]

Sundries & Decor by DonjeyPangus Mod (1.21.1, 1.20.1)
1.21.1

Sundries & Decor by DonjeyPangus Mod (1.21.1, 1.20.1)

Sundries & Decor by DonjeyPangus Mod adds hundreds of new building materials and decorations to your game. It gives you a massive variety of blocks to create everything from modern cities to medieval castles. You can use brand new shapes like columns and beams to make your buildings look realistic. The mod also includes small […]

Sundries & Decor Mod (1.21.1, 1.20.1) – Build Unique Houses and Furnish Every
1.21.1

Sundries & Decor Mod (1.21.1, 1.20.1) – Build Unique Houses and Furnish Every

Sundries & Decor Mod adds hundreds of new building materials and furniture pieces to your Minecraft world. This mod gives you exactly what you need to build modern cities, medieval castles, or cozy homes. It brings fresh block shapes and small decorations that make your rooms look full of life. Features: Diverse Materials: Offers new […]

Cobblemon Eternal The Minecraft Pokémon Experience Modpack (1.21) – Catch Train And Battle
1.21

Cobblemon Eternal The Minecraft Pokémon Experience Modpack (1.21) – Catch Train And Battle

Cobblemon Eternal The Minecraft Pokémon Experience Modpack turns your world into a massive Pokémon RPG built on the NeoForge engine. You can explore a dangerous world filled with wild monsters, explore huge dungeons, and build your own flying machines. The pack brings together over 200 mods to give you a fresh sandbox adventure with custom […]