About Cataclysm: Spellbooks
From ModrinthAn addon for Iron's Spells and Spellbooks and L_Ender's Cataclysm
📜Description
Cataclysm: Spellbooks is an addon for both Iron's Spells 'n Spellbooks and L_Ender's Cataclysm.
Currently this mod adds in a total of 65 new spells, with more planned for development. This mod also adds in two new spell schools: _Abyssal_ and _Technomancy_. The Abyssal School houses all of the Leviathan based spells, and Technomancy is inspired by The Harbinger.
_NOTE: THIS MOD IS STILL BEING DEVELOPED AND SPELLS WILL BE ADDED!_
If you would like to see which spells are planned, head over to the Github Page to check!
Highlights
From source dataGame versions
Supports 3 Minecraft versions, the newest being 1.21.1.
Loaders
Runs on Forge and NeoForge.
Footprint
Rated a light load on a server.
Cataclysm: Spellbooks on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
- Server side
- Required on the server
- Server type needed
- Forge, NeoForge
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.1.15-1.21 (beta), released 2026-10-26
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| NeoForge | 1.21.1 | 1.21.1 |
From 6 recorded builds of Cataclysm: Spellbooks.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.1.15-1.21 beta | 2026-10-26 | 1.21.1 | NeoForge |
| 1.1.14-1.21 beta | 2026-09-09 | 1.21.1 | NeoForge |
| 1.1.13-1.21 beta | 2026-09-02 | 1.21.1 | NeoForge |
| 1.1.12-1.21 alpha | 2026-05-31 | 1.21.1 | NeoForge |
| 1.1.11-1.21 | 2026-03-02 | 1.21.1 | NeoForge |
| 1.1.10-1.21 | 2026-03-02 | 1.21.1 | NeoForge |
Dependencies
- Required: modrinth project 7Jy4rK9m (modrinth, not in our catalogue)
- Required: modrinth project 46KJle7n (modrinth, not in our catalogue)
- Required: modrinth project 7zlUOZvb (modrinth, not in our catalogue)
- Required: modrinth project s4OWxYQQ (modrinth, not in our catalogue)
Declared by the newest build that lists any. Required ones are installed with it on one-click installs.
Run Cataclysm: Spellbooks on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogGameplay & overhauls
New mechanics, content and overhauls that change how the game plays.
Runs on your server
From source side supportModrinth lists Cataclysm: Spellbooks as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- ForgeNeoForge
- Runs on
- Serverrequired on the server
- Game versions
- 1.21.1 and 2 earlier
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-27Open ↗
- ✓AuthorAceTheEldritchKing, as published on Modrinth
- ✓LicenseLGPL-2.1-onlyFree
Cataclysm: Spellbooks, answered
Generated from the mod’s own source data.
Do my players need to install Cataclysm: Spellbooks?
Modrinth lists Cataclysm: Spellbooks as required on the server. Check its Modrinth page to see whether players need it too.
Which loaders does it support?
Forge and NeoForge.
Is it free?
Yes. Cataclysm: Spellbooks is free to download from Modrinth. Its license is LGPL-2.1-only.
How do I add it to my Nxeon server?
Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

Run Cataclysm: Spellbooks on a Minecraft server.
Deploy in about a minute from $4.99 a month, then add Cataclysm: Spellbooks in one click.















