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!