Minecraft Loading Datapack But not applying its contents.

Path of Original Mod
data\    ->malum\       ->spirit data          ->entity             ->(100+ labeled .json files and folders)
Original .json Syntax
{   "registry_name": "minecraft:cow",   "primary_type": "earthen",   "spirits": [     { "spirit": "sacred", "count": 1},     {"spirit": "earthen", "count": 1}   ] }
My Path
datapacks\    -> Malum Spirit Data\       ->data\          ->lumagica\             ->spirit_data\                ->entity\                   ->starbuncle.json
My .json Syntax
{   "registry_name": "ars_nouveau:starbuncle",   "primary_type": "arcane",   "spirits": [     {"spirit": "sacred", "count": 1},     {"spirit": "arcane", "count": 1}   ] }