Advanced Soul Fireball

A enhance blue fire balls that has been infused with forbidden magic which forms a massive fire ball where you command and if unsupervised can grow out of control and injure the user it also effects the user whale casting

Damage (with no immunity)  16d6 fire damage

Damage(with resistance) 12d6 fire damage

Damage (immunity) 8d6 fire damage

Bonus Action you can summon mini soul fire balls around that give you 7 mini fireballs that rotate around the user

that if the target has a resistance or immunity they take no damage but take 2d6