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Minecraft Java 1.21 Mods

Browse 36 free mods for Minecraft Java 1.21 — popular picks include Summoning Rituals, Idwtialsimmoedm, GTBC's SpellLib/API.

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Summoning Rituals
1.21.1neoforge

Summoning Rituals

Create custom summoning rituals for items, mobs and commands.

9.8Mdownloads
Idwtialsimmoedm
1.21.8fabric

Idwtialsimmoedm

I didn't want to install a library so I made my own Enchantment Descriptions mod

9.7Mdownloads
GTBC's SpellLib/API
1.21.1neoforge

GTBC's SpellLib/API

A library mod and common code storage for all of my mods containing helpful tools to make my life easier with ISS add-on making!

7.5Mdownloads
More RPG Library
1.20.1fabric

More RPG Library

Library with status effects, entity attributes & Spell engine API additions.

6.9Mdownloads
Dynamic RPG Resource Bars
1.20.1neoforge

Dynamic RPG Resource Bars

Animated, adjustable RPG resource bars!

3.0Mdownloads
Enchant Limiter (RPG Tweaks)
1.21.1fabric

Enchant Limiter (RPG Tweaks)

Limit the number of enchantments on an item.

1.0Mdownloads
RPGMana (Mana for Spell Engine)
1.21fabric

RPGMana (Mana for Spell Engine)

Bringing Mana to the Spell Engine mods!

978kdownloads
Critical Strike
1.21fabric

Critical Strike

🍀 Chance based critical hits for melee and ranged attacks!

785kdownloads
Spells & Shields
1.21.1neoforge

Spells & Shields

Vanilla+ style magic extension that adds mana and spell trees. Fully data driven.

442kdownloads
Spell Engine Extension (RPG Series Tweaks)
1.21.1fabric

Spell Engine Extension (RPG Series Tweaks)

Extends the mod 'Spell Engine' with additional functionality.

27kdownloads
Familiar Friends
1.20.1fabric

Familiar Friends

Adds a book that can unlock special pets that grant new abilities

23kdownloads
PlayerProgress
1.16

PlayerProgress

PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.

16kdownloads
Veil Origins
1.21.1neoforge

Veil Origins

When the Veil falls though the true origins of the ones you thought where friends...

12kdownloads
Rage Mod
1.18.2forge

Rage Mod

Add "Rage" to entities. Get damage bonus on full rage.

10kdownloads
SLM: Elements
1.20.1forge

SLM: Elements

Add an advanced elemental and elemental damage system, with direct, inverse, and static interactions and more!

9.5kdownloads
Keystone Expansion Pufferfish's Skills
1.21.11fabric

Keystone Expansion Pufferfish's Skills

MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.

8.7kdownloads
Epic Fight x Iron's Spells: Enhanced Animations community port
1.21.1neoforge

Epic Fight x Iron's Spells: Enhanced Animations community port

Compatibility for Epic Fight and Iron's Spells 'n Spellbooks for the neoforge modloader on 1.21.1

8.6kdownloads
Feywild: Library
1.21.1neoforge

Feywild: Library

The Loremaster in his Library will give guide books you can borrow.

5.6kdownloads
Some Basic Skills
1.21.4neoforge

Some Basic Skills

A simple UI made for my skill trees.

4.2kdownloads
RPG Skill Trees 2
1.21.1neoforge

RPG Skill Trees 2

A collection of 4 (for now) skill trees based on RPG archetypes.

2.8kdownloads
PowerChord
1.21.1fabric

PowerChord

A component-driven RPG instrument system - you know, hunting-horn-likes!

2.7kdownloads
One punch Man (Anime)
1.21.11fabric

One punch Man (Anime)

Experience the power of One Punch Man in Minecraft! This Fabric mod adds insane strength, abilities, and anime-inspired gameplay. Fabric API required.

2.4kdownloads
Sympathetic Attributes
1.21.1neoforge

Sympathetic Attributes

RPG Attributes library mod that adds custom attributes that enhance gameplay. Designed mainly for rpg, advanture modpacks. It is the core mode/depency for upcoming mods.

1.6kdownloads
Simply Enchantments
1.21.11fabric

Simply Enchantments

This mod adds allot of new and exciting enchantments in the game!

1.5kdownloads
Every API
1.21fabric

Every API

As you read the name this modpack adds all the API's that are present in the Minecraft API library. You can now download any mod without worrying about the API's that you will need to find manually, just download this modpack and you're all set.

1.1kdownloads
The Crafting Collective
1.20.1forge

The Crafting Collective

an RPG magic and mechanical style modpack meant for exploration and player empowerment.

544downloads
Visually Optimized
1.21.10fabric

Visually Optimized

A collage of vibrant cultures, seasons with the serenity mod, optimisations with sodium and libraries along with inbuilt library to search between and surf through Modrinth from inside Minecraft. Now with a little tweaks in name and other stuff.

382downloads
Aetheria: Age of Oblivion
1.21.1neoforge

Aetheria: Age of Oblivion

This is a Dark Fantasy RPG-style compilation with an emphasis on complex combat, exploration of dangerous dungeons, and magic.

259downloads
Buckshot's RPG Combat Attributes
1.21.1neoforge

Buckshot's RPG Combat Attributes

Welcome to a complete surgical rewrite of Minecraft's combat, physics, and magic mathematics.

110downloads
Epic Fight Avalon Mod (1.21.1, 1.20.1) – Unlock Custom Combat Animations
1.21.1forge

Epic Fight Avalon Mod (1.21.1, 1.20.1) – Unlock Custom Combat Animations

Epic Fight Avalon Mod expands the Epic Fight mod with a shared library of code. It holds common animation files together so other addons do not need to repeat the same work. This addon brings a fresh way to load frame-by-frame attack animations. It also packs in special tools to check for damage on multiple […]

GTBC's Spell Lib Mod (1.21.1, 1.20.1) – Centralized Spell Library
1.21.1neoforge

GTBC's Spell Lib Mod (1.21.1, 1.20.1) – Centralized Spell Library

GTBC's Spell Lib Mod is a developer-focused library mod designed to streamline the creation of add-ons for Iron’s Spellbooks (ISS). Features: Provides a shared library to simplify the development of Iron’s Spellbooks add-ons. Eliminates the need to manually copy common ISS elements across different add-ons. Designed for mod developers to streamline spell and magic-related content […]

BjornLib Mod (1.21.1, 1.20.1) – Core Library For Mob And Effects
1.21.1forge

BjornLib Mod (1.21.1, 1.20.1) – Core Library For Mob And Effects

BjornLib Mod is a core library mod by FuriusMaximus, providing shared functionality for several of their mods, such as Dragon Mounts: More Dragons. It includes useful utilities and systems designed to streamline gameplay enhancements. Features: Ability Registry and custom ability events Particle Builder with magic-style glowing effects Lightning Builder for custom lightning visuals Leveling Builder […]

More RPG Library Mod (1.21.1, 1.20.1) – Library for the More RPG Classes
1.21.1fabric

More RPG Library Mod (1.21.1, 1.20.1) – Library for the More RPG Classes

More RPG Library Mod is a library add-on for the Spell Engine Mod that expands its functionality with new content and Features. Features: On its own this Mod does not add spells, you need to install the class mods you want to add spells to your game This mod is used mainly as a library […]

Naruto X Boruto
1.21.1neoforge

Naruto X Boruto

A passion project to create the ultimate Naruto mod!

11kdownloads
DND-style RPG Stats
1.21.1neoforge

DND-style RPG Stats

Simple interface for point redemption to increase stats. Needs to run with iron's spellsbooks as it contains attributes that will be upgraded in the interface.

1.2kdownloads
Insane Lib Mod (1.21.1, 1.20.1) – API for Classes Mods
1.21.1

Insane Lib Mod (1.21.1, 1.20.1) – API for Classes Mods

InsaneLib Mod is a crucial library that contains the groundwork for an RPG-ish Mod. While InsaneLib doesn't tackle the main issue of creating the system itself, many-particle effects that a "Wizard" sub-class can put out are designed within InsaneLib. Without this Library, it will probably be impossible for players to visually the prowess of a […]