Minecraft Java 1.21 Mods
Browse 141 free mods for Minecraft Java 1.21 — popular picks include Nature's Aura, Armageddon, Stellarity.
Updated daily
Nature's Aura
Collecting, using and replenishing the Aura naturally present in the world to create useful devices and unique mechanics
Armageddon
A highly configurable overhaul of Minecraft's way of progressing through the game : bosses, RPG-like, new mechanics, multiplayer compatibility, weapons, ores... !
Stellarity
Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.
Majo's Spell Enchantment
Add new enchantments for Iron's Spells 'n Spellbooks, which interact with spells, mana, and casting mechanics.
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Curse of Pandora
72 unique artifact items with curses and special effects, and various ranged weapons

Gallant Gauntlets
Adds gauntlets: a new weapon/armor class with both attack damage and armor value
Additional Armoury
Adds more weapons, magic, and armour to the game. Part of the Combat+ collection.
Anointed Items
Adds a mechanic to add attributes to gear! (maxhealth, attack speed, and more!)
XP Boost Enchantment
New enchantment for get extra xp on using tools and weapons!
Gravestone Dungeons Data Pack
This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!
ValhallaMMO
Specifically designed to counter the 2-week gameplay cycle. Keep players active for longer! (Also known from The Realm SMP!)
Sanity: Renewed
Brings the sanity mechanic from Don't Starve into Minecraft
Altar SMP
Legendary weapons plugin for Minecraft 1.21.x Adds powerful legendary weapons with custom textures and abilities to enhance your SMP experience.
PortalGunMod
Portal‑style traversal for Fabric 1.21.11 with custom sounds, clean visuals, and momentum‑accurate teleportation. Early release—updates coming as the mod evolves.
Moar Crazy Swords
The Crazy Swords datapack adds a bunch of new unique, crazy, and sometimes OP sword types to the game. The goal, like my other datapacks, was to make them as unique and interesting as possible while filling holes in vanilla Minecraft's weapons.
Journey Into The Light
Journey Into The Light (or "Journey" for short), formally known as Essence of the Gods, is a large exploration mod that not only expands the vanilla content added - but also adds 8 new dimensions, over one hundred mobs, strong weapons and armor, and more
Grease
Coat a weapon with grease to upgrade, allowing for the addition of short-lived effects to weapons
Lexter's Cataclysm
This Datapack/Mod is inspired by L_enders's Cataclysm. It adds dungeons, new weapons, advancements, strucutres to the Vanilla game.
Rods from God
Miscellaneous superweapons for Modfest 1.21
Combat Expansion
Adds a whole new collection of weapons, armor, and enchantments for PvP
Spellbound Weapons Better Combat Addons
Add BetterCombat to the weapons provided by Splatus's Spellbound Weapon datapack
Mo-Combat
Adds new combat items to the game, including a new weapon type craftable with each material, and new shields for each material!
Azister's Weapons&Deco
Decorations and Itens that fit vanila style improving start tools and endgame.
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Elemental Attack Damage Compat For Iron's Spells and Spellbooks
A simple mod that adds an attack attribute for weapons for each of Iron's Spells and Spellbooks' elements, and keeps default weapon attributes from being overwritten when adding a new attribute (can be disabled for flexibility). My first completed mod.
Myths and Magic (Centimental)
This mod is specifically created for the Centimental^2 SMP. It adds unique weapons, armor, and mobs to Minecraft

PPG's Runic Weaponry
Epic relic weapons + a combat-oriented magic system!
Effective Weapons
A simple mod adding weapons with different mechanics, mostly revolving around status effects.
ValhallaRaces
Fantasy Roleplay, create your own Races and Classes! Very lightweight and adds highly indepth custom stats through ValhallaMMO
Soulmade
Soul-themed weapons and utility items
Fight, Grow, Cute!
A sandbox odyssey with 360+ snarky, mechanic-driven quests. Master TacZ ballistics, Iron's Sorcery, and L2’s specialized weaponry to fuel your Sephirot skills. Slay gods for power—then retire to gourmet meals with your maids.
Reaper's Scythe
Introduce the legendary Reaper's Scythe, an end-game weapon with permanent combat buffs, a devastating right-click AoE attack (Wither II), and an on-kill speed boost. Highly configurable.
Lightning Striker
Turn your weapon into a lightning-powered storm ⚡
C.Weapons
Adds content to the game related to the creation of weapons and new ingots.