{
    "type": "naturesaura:animal_spawner",
    "ingredients": [
        {
            "item": "naturesaura:birth_spirit"
        },
        {
            "item": "minecraft:bone"
        },
        {
            "item": "minecraft:obsidian"
        }
    ],
    "entity": "minecraft:wither_skeleton",
    "aura": 150000,
    "time": 150
}