Artillery Death Blaze

You unleash multiple streaks fire arcing towards a sport in range. The fire incinerates a 60-foot radius and every creature not immune to fire must make a Dexterity saving throw. A fail takes 9d8 fire damage, a success takes half damage. The creatures takes half of that damage when they start they're next turn.

Casting this spell takes 1d6 hit points every other casting.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage is increased by 2d8 for each slot level above 6th.