Library of Exile — Developer Documentation

Library of Exile is a Minecraft Forge mod (1.20.1, Forge 47.1.43) that provides the foundational registry, dimension, relic, mob affix, and capability systems used by the Mine and Slash RPG mod ecosystem.

This documentation follows the Diátaxis framework, organized into four sections:

Section	Purpose	Start here if…
Tutorials	Step-by-step lessons for beginners	You are new to the library
How-to Guides	Concrete recipes for specific tasks	You know what you want to do
Reference	Complete technical specifications	You need to look up exact APIs
Explanation	Concepts and architectural background	You want to understand why

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Tutorials

1. Setting Up a Dependent Mod
2. Adding Your First Mob Affix
3. Adding Your First Relic

How-to Guides

• Add Chest Loot
• Add Monster Loot
• Add Mob Affixes
• Add Mob Lists
• Add Relics and Relic Affixes
• Add Custom Items
• Add Map Data Blocks
• Add a Custom League
• Register a New Content Type

Reference

• Registry System
• Mob Affixes
• Relics
• Mob Lists
• Map Data Blocks
• Leagues
• Events
• Network Sync
• JSON Datapack Paths

Explanation

• Architecture Overview
• The Registry Lifecycle
• JSON vs Hardcoded Content
• The Sync Model