Minecraft Java 1.21 Mods

Browse 22 free mods for Minecraft Java 1.21 — popular picks include True Ending ~ Ender Dragon Overhaul, Ender Dragon Fight Remastered, Mob AI Tweaks.

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22 mods

1.21.5fabric

True Ending ~ Ender Dragon Overhaul

True Ending: Ender Dragon Overhaul Public A dramatic overhaul to the Ender Dragon boss fight. New attacks and elegant particle animation come together to form a more satisfying ending.

7.9Mdownloads

1.20fabric

Ender Dragon Fight Remastered

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

2.8Mdownloads

1.21.11fabric

Mob AI Tweaks

Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!

1.4Mdownloads

1.21.1neoforge

Age Of Dragons

Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.

76kdownloads

1.21.1neoforge

Beyond Bosses 2

This enderdragon overhaul will amaze you

25kdownloads

1.21.4neoforge

Beyond Bosses

Beyond Bosses enhances the ender dragon boss introducing a new look to the end, a new ender dragon model, new boss attacks, and new boss music

24kdownloads

1.21.8fabric

Relics Of The Fallen Gods

Relics Of The Fallen Bosses Adds custom Legendary Items that have a chance to drop when you kill a boss Items include: The wither Hammer Warden Chestplate and Ender Dragon Bow

4.8kdownloads

1.21.1fabric

[WIP] DragonFist Legacy

(INCOMPLETE and WIP) Adds martial artists to Epic Fight, along with new content, structures, and mini-bosses throughout the world.

1.2kdownloads

1.21.11fabric

creeper-apocalypse

Mob Replacement System ALL mobs spawn as Creepers! with exceptions Exceptions that remain normal Blazes you still need blaze rods! Villagers or trading Ender Dragon final boss remains Iron Golem

429downloads

1.21.1neoforge

Boss Radar

Craft a special compass that senses powerful mobs lurking nearby. Hold it to see a color-coded ring around your crosshair with the boss's name and distance, turning red as danger closes in — perfect for staying alert to the Ender Dragon, Wither, Warden

39downloads

1.21.4neoforge

Boss Weapons Mod

This is my first mod, so it's probably not very good. It adds some weapons for each mob that is generally considered a boss (Wither, Ender Dragon, Warden, and Elder Guardian).

35downloads

1.21.9

Dragonfight Updated

This datapack is an improvement of the dragon fight. With a new mini-boss and even more.

21downloads

1.21.1

Dragoncraft Drygmy Blacklist Data Pack (1.21.1) – Earn Boss Loot Through Real

Dragoncraft Drygmy Blacklist Data Pack patches balance issues in the Dragoncraft modpack. It stops players from using Drygmy charms to easily farm certain powerful bosses and useful NPCs. By blocking these specific mobs, the game stays fair and challenging. You will have to fight big enemies the normal way instead of sitting back and collecting […]

1.21.8fabric

Repurposed End Mod (1.21.8, 1.20.1) – New Mobs, Boss Rework, And Endgame Gear

Repurposed End Mod adds to the End dimension with new mobs, a reworked Wither, and powerful post-Ender Dragon upgrades. Features: Adds 3 new End-based mobs: Ender Skeleton. Crying Wither Skeleton. Reworked Wither (spawned with Crying Obsidian). Reworked Wither has more health and new loot. New enchantment: Wither Effect Enchantment (adds wither effect to sword, axe, […]

1.21.1neoforge

Mo'Bosses

Face the Divine Dragon in an epic aerial battle!

8.2kdownloads

1.21.8neoforge

Sabers And Bosses

Forge Six Legendary Krystal Saber Swords, each infused with unique Elemental Abilities. This mod introduces 4 NEW Bosses along with special drops for the Elder Guardian and Ender Dragon

5.8kdownloads

1.21.1neoforge

KyuremBoss

Replaces the Ender Dragon with a colossal Gigamax Kyurem boss — 16,000 HP, two phases, ice AoE attacks, a spectacular aura, and direct attacks on your Cobblemon Pokémons!

1.9kdownloads

1.21forge

Endgame Bosses

Adds new bosses to the game after the Ender Dragon is defeated.

726downloads

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 […]

1.21.8

Tame Every Mob Mod (1.21.8, 1.20.1) – Turn Any Creature Into a Loyal Fighting

Tame Every Mob Mod transforms the normal pet system by letting you adopt almost any creature in the game. It allows you to build a unique team made of peaceful animals, hostile monsters, or even powerful bosses like the Ender Dragon. You can train your new companions to fight for you and give them special […]

1.21.1

Kyurem Boss Mod (1.21.1) – Battle a Legendary Pokémon in the End Dimension

Kyurem Boss Mod replaces the Ender Dragon with a giant legendary Pokémon. This mod changes the final boss fight of the game into a massive battle against Kyurem. When you travel to the End, you face a huge monster with thousands of health points and powerful ice attacks. It even fights your own Pokémon if […]

1.21.1

Legendary Monsters Mod (1.21.1, 1.20.1) – New Boss Mobs!

Is the Ender Dragon too easy for you? Does the Wither not feel challenging enough? Once you have progressed to the end game, you will obtain powerful weapons and enchanted armor, which will make boss mobs like the dragon and the Wither easier to defeat. If you want much more challenging and rewarding boss fights, […]