Elysium is a Library Mod for Forge 1.20.1+ which contains various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to have an easier time modifying the game

So Far Elysium contains features such as:

BiomeReplacer API - allows you to swap biomes out with sizes and rarites of your choice

ResourceKeyRegistryHelper - call registries with just ResourceLocations

NonEntityHierarchicalModel - keyframe animated BEWLRs

Data-Driven Use-Behaviors - add custom Right-Click functionality to any block

Data-Driven Sound-Transformers - add custom Sounds for any block

and much more planned for the future!