Aspects-Celestia-Compat/bin/main/data/aspects/powers/fire_immunity.json

{
    "type": "origins:modify_damage_taken",
    "damage_condition": {
        "type": "origins:fire"
    },
    "modifier": {
        "operation": "multiply_total",
        "value": -1
    },

    "name":"Fire Immunity",
    "description":"You are immune to fire damage."
}