Ariett's brassfire

Grasping a scale from a brass dragon in one of your hands, you chant the name of the brass mage "Ariett", releasing a thin yellow line from your eyes.

The target takes 5d10 fire damage in a failed DEX saving throw, and half as much in a successful one.

The target takes 5d10 fire damage in a failed CON saving throw, and half as much in a successful one, every round until the spell ends.

At higher levels: When you cast this spell using a spell slot of 8th level or higher, the initial damage increases by 5d10 for each spell slot above 7th.