Minecraft Java 1.20 Mods
Browse 28 free mods for Minecraft Java 1.20 — popular picks include ♬ Aquamirae - Boss Music Tweaks ♬, Mob AI Tweaks, Twilight Tweaks.
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♬ Aquamirae - Boss Music Tweaks ♬
Formerly the only solution to having boss music play during the Ghost of Captain Cornelia's fight, now an addon for the Aquamirae mod by Obscuria that tweaks the way the Ghost of Captain Cornelia's boss music plays.
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
Twilight Tweaks
Adds a very configurable final boss among other config options.
Projectile Tweaks
add Projectile Protection to bosses/mobs
Cursed Fate: Cursed Tweaks (New Boss Fights!) CursedFate Addon
A Minecraft Mod Based On The Jujutsu Kaisen Cursed Fate Mod!
Eugene's Cooler Bosses
Dude, you don't look like a boss to me...
GamerPotion's Magic and Tweaks - RPG Edition (MATS)
Magic RPG pack with amazing spells, quests, 50+ bosses, dragons, ice and fire, combined into an RPG filled adventure

Cursed Fate: Cursed Tweaks (New Boss Fights!)
This is an Add-On for the Minecraft mod Jujutsu Kaisen Cursed Fate Mod! This mod is solely an extension for the original mod by ImNotHURAGAN and does not work independently.
Best Fabric+ Minecraft
A Vanilla+ stye pack. ✅More mobs ✅More Structures ✅Quests ✅Bosses ✅Quality Of life Changes.
Invisible Boss Bars
Simply hide your boss bars & just keep the text. Hide either all boss bars, only progress or just hide boss bars with 0 progress (empty)
BB's Bosses Of Mass Destruction Tweaks
Tweaks the models and textures from the Bosses Of Mass Destruction mod to match my art style.
Equinox's Story Mode Mode Blocks And Other Utilities
A utility for the modpack Equinoxs Story Mode, includes mostly boss fight music for the server events happening over on the official ESM server, and some added blocks
L_Ender's Cataclysm X Terraria Calamity Music
Resource Pack that replaces the boss themes of the bosses from L_Ender's Cataclysm with songs from the Terraria Calamity mod.
RPG Bosses
A utility mod for modpack authors to create bosses more RPG style.
Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
Ultris: Boss Expansion — Mob Battle Patch
An addon data pack for Ultris: Boss Expansion that enables non-player entity aggro on its bosses among other tweaks tailoring to mob battle functionality.
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
Pomkot's Mech Bossbar
A custom bossbar made for the mod "Pomkot's Mech". The boss bar is inspired from Armored Core
Boss And M ore(BAM)
A mod that adds new boss and new mobs and structures this mod adds a new why of seeing the world, it adds a lot to explore and a lot to achieve, this mod adds new bosses and new structures, utilities, etc...
Programmer Art Megapack
Programmer art for multiple mods, including Malum, Elemental Creepers, Bosses of Mass Destruction, Immersive Armors, Fishing Crates, Life Crystals, & yyzs backpack
Craft Of The Wild Boss Checklist Compatibility
Compatibility Between COTW and Boss Checklist
Mob AI Tweaks Mod (26.2, 1.20.1) – From Sniffers To Skeletons
Mob AI Tweaks Mod transforms Minecraft’s mob behavior, boss mechanics, and combat dynamics into something far more intelligent and challenging. Features: Wither and Ender Dragon Reworks: Multi-phase combat, enraged states, smarter healing, new visuals, and combat patterns. Elder Guardian Bossified: Beams, dashes, oxygen-draining mines, boss bar, and more. Mini-Bosses: Ravagers, skeleton horsemen, and enhanced Illagers. […]
BB's Bosses of Mass Destruction Tweaks Resource Pack (1.21.11, 1.20.1)
BB's Bosses of Mass Destruction Tweaks Resource Pack restyles the monsters and items in the Bosses of Mass Destruction mod. It changes the textures and 3D models of the big enemies so they look totally different. This pack gives the giant creatures a fresh coat of paint to fit a custom art style. Features: Updated […]
Cursed Fate Cursed Tweaks Mod (1.20.1, 1.20) – Boss Fight Event And Configuration Rules
Cursed Fate Cursed Tweaks Mod lists a new boss fight event controlled through a gamerule, along with several commands and gamerule toggles related to bosses, rerolling, starter techniques, and maximum output. It also adds two new potion effects infinite CE and Stomach Bug with described gameplay impacts while active and after expiration. Features: Add-on extension […]
Twilight Tweaks Mod (1.21.1, 1.20.1) – A True Final Boss to Conquer the Forest
Twilight Tweaks Mod adds configurable features to The Twilight Forest mod. This addon introduces a final boss spawner, giving the dimension a new ultimate challenge. By default, the spawner summons a very strong husk with reinforcements to fight. The mod also allows you to change what the spawner does, like summoning a different mob or […]
Torrezx Better Boss Bar Resource Pack (1.21.1, 1.20.1) – Texture Pack
Torrezx Better Boss Bar Resource Pack enhances the appearance of the boss health bar in Minecraft. Instead of the default bulky bar, it offers a cleaner, more modern look with improved readability and subtle design tweaks. Screenshots: Torrezx Better Boss Bar Resource Pack Download Links For Minecraft 1.21.x 16x: Download from Server 1 – Download […]
Aquamirae: Boss Music Tweaks Mod (1.20.1, 1.19.4) – Immersive Boss Music
Aquamirae: Boss Music Tweaks Mod is an addon for the Aquamirae mod, specifically designed to improve the Ghost of Captain Cornelia boss fight experience with custom music enhancements. Originally the only solution for integrating custom boss music, this addon now refines how the battle theme is played and managed. Features: Boss theme now restarts once […]
World of Bosses Mod (1.20.1) – Enemy Expansion
World of Bosses Mod adds multiple bosses. If you kill them, you can get an item. They'll never be easy. Bosses are summoned as items. You can check the recipe on Just Enough Items. There are also summoning items that cannot be obtained with recipes. With this mod, players can summon bosses using items, each […]