
Cataclysm: Spellbooks
An addon for Iron's Spells and Spellbooks and L_Ender's Cataclysm
About this Mod
📜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!
🔗Links
Available Versions
How to Install Cataclysm: Spellbooks on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Cataclysm: Spellbooks". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.1, 1.19.2
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Cataclysm: Spellbooks server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Cataclysm: Spellbooks compatible with forge and neoforge?
Cataclysm: Spellbooks officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1, 1.19.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Cataclysm: Spellbooks – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Cataclysm: Spellbooks consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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