Aganazzar's Scorcher

Range: 30 feet
Components: V, S, M (scale of a red dragon)
A line of roaring flame 30 ft long and 5 ft wide
emanates from you in a direction you choose.
Each creature in the line must make a Dexterity
saving throw. A creature takes 3D8 {r}damage
on a failed save, or half as much damage on a successful one.
At Higher Levels: Damage increases by 1D8 for
each slot level above 2nd