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Arcane Codex project artwork

CurseForge · Minecraft mod

Arcane Codex

Hunt down the torn pages of a lost wizard's codex, work six rituals that reshape the world around you, and storm a blood cult's underground lair to kill the demon guarding its depths. An Iron's Spells 'n Spellbooks addon — 41 spells included.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Arcane Codex release should I use?

Updated 13 days ago
Latest stable file arcanecodex-1.1.1.jar
Game version 1.21.1
Loader NeoForge

Arcane Codex arcanecodex-1.1.1.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Arcane Codex required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release NeoForge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Arcane Codex arcanecodex-1.1.1.jar need?

arcanecodex-1.1.1.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

2 listed on this file 1 pulled in by one of those mods
Arcane Codex Needed by Vaskars Bestiary - Bosses & Creature Codex
pulled in
Matching file found Matched file: arcanecodex-1.1.1.jar

1 extra mod was pulled in by another dependency. 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 Arcane Codex without breaking your instance.

Built for Arcane Codex arcanecodex-1.1.1.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use arcanecodex-1.1.1.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside arcanecodex-1.1.1.jar. It opens that exact file at the source.

About this project

What does Arcane Codex add?

A Force Dome, raised and holding at sunset

Arcane Codex adds 41 spells, six altar rituals, an in-game book you rebuild page by page, and a blood cult with a demon boss to Iron's Spells 'n Spellbooks.

At a glance

  • 🔮 41 new spells for Iron's spell books, scroll forge and loot
  • 🕯️ 6 altar rituals that leave something behind in the world
  • 📜 The Wanderer's Codex — a book you rebuild page by page, and a thief who steals it back
  • 🩸 The Coven of the Open Vein — a blood cult lair with a winged demon boss

🔮 Spells

41 new spells that slot straight into Iron's spell books, scroll forge and loot — nothing to configure. Plus a Dominion and Emperor for every school: shut off a whole school of magic in a field around you, or bend the rules and keep casting it yourself.

🕯️ Altar rituals

Six rituals worked on Iron's altar, each one leaving something behind instead of firing once:

  • Rift — tear open a one-way door to another dimension.
  • Force Dome — raise a barrier that soaks up damage.
  • Sun Sentinel — call down a small sun that fires on hostiles.
  • Hallowed Ground — consecrate a floor that strikes whatever stands on it.
  • Tomb — build a vault that catches your items when you die.
  • Wellspring — grow a spring that speeds up your mana regen.

The Sun Sentinel opens fire at range

Hallowed Ground: the consecration breaks open

Rift: a doorway opens

📜 The Wanderer's Codex

An in-game spellbook you rebuild one page at a time, found where its subject lives — pyromancer towers, the catacombs, the Citadel. Keep an eye on your Scroll Shelf: the Redactor steals from it at night, and if it gets away with enough pages, the Concordance comes to collect the rest in person.

🩸 The Coven of the Open Vein

A blood cult's hideout: a war camp up top, three bloody floors underneath, and the Tithe waiting at the bottom — a winged demon boss with its own music. Beat it for the Tithe's Heart and the Crown of Thorns and Veins.

Compatibility

Requires Iron's Spells 'n Spellbooks and its dependencies. Minecraft 1.21.1, NeoForge. JEI optional. MIT licensed — safe in any modpack.

More from Vaskar

  • Vaskars Bestiary — original boss fights with custom models and animation, starting with Skarrn, a lightning-scarred elk.
  • Vaskars Remains — corpses across the world, each with a story to read before decay erases it.

Project description from CurseForge.

Pick your setup

Arcane Codex by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Arcane Codex versions and loaders

3 of 3 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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