CurseForge · Minecraft mod
Legendary Spellbooks
A compat mod between Iron's Spells'n Spellbooks and Legendary Monsters
Quick answer
Which Legendary Spellbooks release should I use?
Legendary Spellbooks v0.4.0-1.20.1-Forge targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 6 required mods have matching files.
Where it goes
Is Legendary Spellbooks required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Legendary Spellbooks v0.4.0-1.20.1-Forge need?
Legendary Spellbooks v0.4.0-1.20.1-Forge. Change the file and its required mods may change too.
Install Iron's Spells 'n Spellbooks, Legendary Monsters, playerAnimator, Iron's Lib and 2 more first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
5 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Legendary Spellbooks without breaking your instance.
Built for Legendary Spellbooks v0.4.0-1.20.1-Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Legendary Spellbooks v0.4.0-1.20.1-Forge. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Iron's Spells 'n Spellbooks, Legendary Monsters, playerAnimator, Iron's Lib and 2 more first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Legendary Spellbooks v0.4.0-1.20.1-Forge. It opens that exact file at the source.
About this project
What does Legendary Spellbooks add?

Overview
Legendary Spellbooks is a compatibility addon that brings the spells used by enemies from Legendary Monsters into the spell system of Iron's Spells'n Spellbooks. It adds these enemy abilities as proper ISS spells so they can function seamlessly within the existing magic framework.
New Spell:
AnnihialtionThis school damage is also scales off ender and fire
- Annihliation Arrow
- Annihilation Beam
- Annihilation Bomb
- Annihilation Shockwave
- Annihilation Geyser
- Flameborn Drift
- Summon Flameborn Knights
- Release Riftwalker Predator
Evocation
- Possessed Soul Blade (After level 3, this spell change to Blood School)
- Collapsed Kingdom Region
Blood
- Hematite Trishula
- Possessed Wing
Lightning
- Cloud Rail
- Cloud Ring
- Thunder Fanburst
- Energy Beam
- Cumulo Charge
- Nimbus Array
- Triple Nimbus Array
- Tornado
- Quad Tornado
Ice
- Glacier Eruption
- Glacier Ringburst
Fire
- Flame Eater
- Flame Sector
- Sentinel Saturation
Nature
- Ambush Thorns
- Overgrown Shockwave
- Fosilized Fury
Requirements
This addon requires the following mods:
Credits
Iron431 — This addon was made possible by Iron's Spells'n Spellbooks. Your exceptional magic framework, with its remarkable completeness and extensibility, forms the foundation upon which this addon stands. I offer my deepest respect and gratitude for providing such an outstanding system.
miauczel — Through Legendary Monsters, you created numerous remarkable pieces of content, including powerful and uniquely designed legendary bosses. Your work directly shaped the core of this addon's spell designs and has had an immense influence on its development. Additionally, making your source code public allowed me to learn a great deal from your work. I am sincerely grateful for the high‑quality, readable, and creatively structured code you have written.
SAGAHAMETU — Your innovative concept in Legendary Spellbook Eternal Prototype greatly influenced the direction of this addon. You also kindly provided several spell icons.
saadlampy — Thank you for contributing spell icons, which helped enhance the visual quality of this addon.
If you have any rights or licensing issues, feel free to leave a comment on CurseForge or contact me on Discord (ID: higurashi65q).
Project description from CurseForge.
Pick your setup
Legendary Spellbooks by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Legendary Spellbooks versions and loaders
Legendary Spellbooks v0.4.0-1.20.1-Forge
legendary_spellbooks-1.20.1+forge-0.4.0.jar
17 Aug 2026
Legendary Spellbooks v0.3.2-hotfix-1.20.1-Forge
legendary_spellbooks-1.20.1+forge-0.3.2-hotfix.jar
20 Jun 2026
Legendary Spellbooks v0.3.2-1.21.1-Neo
legendary_spellbooks-1.21.1+neo-0.3.2.jar
16 Jun 2026
Legendary Spellbooks v0.3.2-1.20.1-Forge
legendary_spellbooks-1.20.1+forge-0.3.2.jar
16 Jun 2026
Legendary Spellbooks v0.3.1-1.21.1-Neo
legendary_spellbooks-1.21.1+neo-0.3.1.jar
14 Jun 2026
Legendary Spellbooks v0.3.1-1.20.1-Forge
legendary_spellbooks-1.20.1+forge-0.3.1.jar
9 Jun 2026
Legendary Spellbooks v0.3.0-Forge
legendary_spellbooks-1.20.1+forge-0.3.0.jar
6 Jun 2026
legendary_spellbooks-1.20.1+forge-0.2.2.jar
18 May 2026
legendary_spellbooks-1.20.1+forge-0.2.1-hotfix.jar
17 May 2026
legendary_spellbooks-1.20.1+forge-0.2.1.jar
30 Apr 2026
legendary_spellbooks-1.20.1+forge-0.2.0.jar
27 Apr 2026
legendary_spellbooks-1.20.1-0.1.1+forge.jar
22 Mar 2026
Looking for an older file? The official CurseForge project page is in Resources.