CurseForge · Minecraft mod
Astral Core
The magic-systems library behind Majestic: essence, spell casting, rituals, research and relics. Adds no content on its own — other mods build on it.
Quick answer
Which Astral Core release should I use?
Astral Core (0.0.0-beta.2) targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Astral Core 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 Astral Core (0.0.0-beta.2) need?
Astral Core (0.0.0-beta.2). Change the file and its required mods may change too.
Install Regalia Slots API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Astral Core without breaking your instance.
Built for Astral Core (0.0.0-beta.2). Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Astral Core (0.0.0-beta.2). It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Regalia Slots API first. We found matching files for this game-version and loader setup.
- 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 Astral Core (0.0.0-beta.2). It opens that exact file at the source.
About this project
What does Astral Core add?
✨ Astral Core
The magic-systems library behind Majestic: essence, spell casting, rituals, research and relics. Adds no content on its own — other mods build on it.
✨ Overview
🎯 Features
🔮 Essence
A single, server-authoritative magic resource per player: capacity, passive regeneration out of combat, and stackable modifiers from any source (altars, biomes, relics, research). Synced to the client automatically.
✨ Spell Casting
A registrable spell-type system with a full cast pipeline (pre-cast → cost check → effect → post-cast), per-player cooldowns, targeting helpers (raycast, area, self, projectile), and client-side hooks for particles and sound.
🏛️ Ritual Engine
A multiblock altar framework: structure validation against a tag-matched shape, ritual phases and lifecycle, configurable failure risk, and NBT-persisted state — ready for any mod to build concrete altars and rituals on top of.
📖 Research Graph
A per-player knowledge graph of unlockable nodes with prerequisite checks, synced automatically, and a trigger API so other mods can report progress ("item obtained", "structure entered") without Astral Core needing to know what they mean.
💎 Relics
A relic behaviour contract (equip / unequip / passive tick / active ability) bridged to Regalia Slots API's equip slots, plus a set-synergy system for bonuses when multiple related relics are worn together.
🧱 Mod Structure
| Package | What it provides |
|---|---|
essence |
The per-player magic resource, its passive regen, modifiers and client sync. |
cast |
The spell behaviour contract, its registry, cast context/result, targeting helpers and cooldowns. |
ritual |
The multiblock/altar engine: structure validation, ritual lifecycle and risk. |
research |
The per-player knowledge graph and its unlock/trigger API. |
relic |
The relic behaviour contract and its bridge to Regalia Slots API, including set synergies. |
📋 Requirements
| Minecraft | 1.21.1 |
|---|---|
| NeoForge | 21.1.249+ |
| Java | 21 |
| Side | Client and Server (required on both) |
| Depends on | Regalia Slots API |
🎮 How to Use
- Install as a dependency of another mod that requires it (e.g. Majestic), on both client and server.
- Install Regalia Slots API alongside it.
- There is nothing to configure directly — Astral Core has no player-facing content by itself.
Early development. Astral Core is still pre-release (
0.0.0-beta.x) and its API may change between betas.
🙏 Credits
Developed by Stalking Dragons as part of the Majestic ecosystem, alongside Expedition Core, Almanac Core and Majestic itself.

https://codex.skdragons.com/
Codex Stalking Dragons — Minecraft Modding
Project description from CurseForge.
Pick your setup
Astral Core by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Astral Core versions and loaders
Astral Core (0.0.0-beta.2)
astral_core-1.21.1-neoforge-21.1.249-0.0.0-beta.2.jar
24 Sept 2026
Astral Core (0.0.0-beta.1)
astral_core-1.21.1-neoforge-21.1.249-0.0.0-beta.1.jar
18 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.