Thanks to Lucidious89's hard work and latest update, I now have added compatibility with Essentials Deluxe/ZUD Mechanics! I didn't try out all permutations, so I'm expecting there to be bugs out there; let me know and I can investigate how to further make my code compatible.
Also added an experimental setting to color a Pokemon's sprite in battle if Terastalized, based on their Tera Type. It's visually glitchy during animations, which I'm looking into how to properly solve that.