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Minecraft Java 1.21 Mods

Browse 124 free mods for Minecraft Java 1.21 — popular picks include LowPixel, Armor Series - Runescape, Spells & Spellcrafting.

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1.21.5fabric

LowPixel

A modpack for Hypixel for low-end laptops without a mouse. (For my school mostly)

66downloads
Armor Series - Runescape
1.20.1forge

Armor Series - Runescape

Cosmetic armors from both Runescape 3 and Old School Runescape

1.4kdownloads
Spells & Spellcrafting
1.21.1neoforge

Spells & Spellcrafting

Wand-driven magic. Reagent-crafted spells across four schools: attack, defense, utility, summoning. Quick-cast bound spells from a radial menu, raise Risen minions to fight for you. Loose the Devourer to eat the world around you!

626downloads
Cobblemon High
1.21.1fabric

Cobblemon High

A Cobblemon Training high school adventure where you complete quests, meet new NPC's and work to pass the final test!

442downloads
[1.21.* - 26.1.*] PvPIndex Factions - API ; Faction Power ; Faction Claims ; GUI
1.21spigot

[1.21.* - 26.1.*] PvPIndex Factions - API ; Faction Power ; Faction Claims ; GUI

From-scratch Factions refactor, old-school Factions but with modern QOL features and API options

212downloads
Arcane Cataclysm Unleashed Mod (1.21.11, 1.21.1) – Cast Elemental Spells
1.21.11

Arcane Cataclysm Unleashed Mod (1.21.11, 1.21.1) – Cast Elemental Spells

Arcane Cataclysm Unleashed Mod extends Iron's Spells 'n Spellbooks with over 50 spells, elemental grimoires, and gear tailored for tough combat encounters. It introduces the Aqua magic school to control water in battles against powerful mobs. The mod connects spellcasting mechanics with items and challenges from boss-heavy mods like Cataclysm and Born in Chaos. You […]

HazentouveLib Mod (1.21.1) – Cast Multi-School Spells with Ascended Armor
1.21.1

HazentouveLib Mod (1.21.1) – Cast Multi-School Spells with Ascended Armor

HazentouveLib Mod provides shared magic systems, spell schools, and equipment classes for addon mods. It acts as a core base that adds shared templates for spellcasting mobs, multi-school armor sets, and magical weapons. Other addons rely on this framework to run smoothly and share spell mechanics across different modded worlds. Features: Includes three core spell […]

Arcane Overgrowth Mod (1.21.1) – Master Dark Magic and Battle Rival Spellcasters
1.21.1

Arcane Overgrowth Mod (1.21.1) – Master Dark Magic and Battle Rival Spellcasters

Arcane Overgrowth Mod extends Iron's Spells 'n Spellbooks with over ninety spells, new magic schools, and dangerous enemies. This mod brings a Necro magic school centered around debuffs, curses, and damage over time. You can craft specialized armor sets and upgrade your gear using new ores found across the world. Hostile mobs cast their own […]

Chromatic Arcanum Mod (1.21.1, 1.20.1) – Cast Magic Spells in Any Color
1.21.1

Chromatic Arcanum Mod (1.21.1, 1.20.1) – Cast Magic Spells in Any Color

Chromatic Arcanum Mod adds custom spell color customization for Iron's Spells 'n Spellbooks. It gives you a special tablet to change the hue of any magic school. Your custom spell colors show up for everyone else in multiplayer. You can switch back to default colors at any time. Features: Adds the Recolor Tablet to adjust […]

Magic from the East Mod (1.21.1, 1.20.1) – Wield Ancient Qi Magic
1.21.1

Magic from the East Mod (1.21.1, 1.20.1) – Wield Ancient Qi Magic

Magic from the East Mod extends Iron's Spells and Spellbooks with new magical schools inspired by ancient Asian and Middle Eastern folklore. This addon introduces Symmetry magic centered around jade energy and qi balance, alongside Spirit magic focused on soul manipulation and ghostly allies. You can call down celestial weapons, deflect incoming arrows, ride mystical […]

Legendary Spellbooks Mod (1.21.1, 1.20.1) – Cast Deadly Boss Magic
1.21.1

Legendary Spellbooks Mod (1.21.1, 1.20.1) – Cast Deadly Boss Magic

Legendary Spellbooks Mod adds monster abilities from Legendary Monsters into Iron's Spells'n Spellbooks. It turns hostile boss attacks and monster skills into craftable spells that you can cast from spellbooks and scrolls. The mod introduces a brand new magic school alongside many elemental spells across existing schools. You can now wield the same magic that […]

Crystal Chronicles Iron's Spells 'n Spellbooks Mod (1.21.1)
1.21.1

Crystal Chronicles Iron's Spells 'n Spellbooks Mod (1.21.1)

Crystal Chronicles Iron's Spells 'n Spellbooks Mod extends Iron's Spells 'n Spellbooks with late-game gear, fresh biomes, and a primal magic dimension. This mod equips magic users with high-tier 3D armors, weapons, and matching staves for every school of magic. You can travel to the End to harvest bismuth materials, construct a custom portal, and […]

Asterism Arcanum Addon for Iron's Spells and Spellbooks Mod (1.21.1)
1.21.1

Asterism Arcanum Addon for Iron's Spells and Spellbooks Mod (1.21.1)

Asterism Arcanum Addon adds a brand new school of magic for the Iron's Spells and Spellbooks mod. It focuses on the Astral School, which gives you tools to stay far away from danger and dodge attacks easily. This expansion brings new spells, unique creatures, and a mountain structure to explore. You can cast light magic, […]

Ars Elemancy Mod (1.21.1) – Master Mixed Elemental Magic and Dual Armor
1.21.1

Ars Elemancy Mod (1.21.1) – Master Mixed Elemental Magic and Dual Armor

Ars Elemancy Mod expands the Ars Elemental mod by adding new gear that uses multiple types of magic. It gives you special armors and foci that combine two or even four different elements together. This addon lets you mix spell schools to become a stronger wizard. Features: Adds six new dual-element armor sets like […]

Hazen N Stuff Mod (1.21.1, 1.20.1) – Equip Powerful Magic Armor
1.21.1

Hazen N Stuff Mod (1.21.1, 1.20.1) – Equip Powerful Magic Armor

Hazen N Stuff Mod expands Iron's Spells 'n Spellbooks with a massive collection of new magic gear. It adds plenty of powerful armor sets, unique weapons, and brand-new spells for you to cast. You can find staves to boost your magic and full sets of armor that match different magic schools. The mod also brings […]

ClassicCraft Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

ClassicCraft Resource Pack (1.21.1, 1.20.1) – Texture Pack

ClassicCraft Resource Pack transforms the entire look and feel of Minecraft to resemble its nostalgic beta versions. It doesn’t stop at just retexturing blocks and items – it goes further by replacing all of Lena Raine and Aaron Cherof’s music with unused tracks from Volume Alpha and Beta, immersing players in a truly old-school atmosphere. […]