[@Lucius Cypher] (up to 60ft away) 10ft radius, Con Save (half damage on success) DC 12, and since it's Transmuted to Fire 3d8 damage, and the save is made at disadvantage for creatures made of inorganic materials. Also it's very very loud.

I imagine transmuting it to fire would make it look like a volcanic explosion. And also because of my feature any of the dolls if they are within 10feet of me take fire damage equal to half my level