Astral Barrage

You conjure a barrage of astral energy which emanates from you in a 100 foot line, 5 feet deep. Any creature in this area must make a Dexterity saving throw. On a failure, creature takes 10d6 force damage. On success, target only takes half damage.

At Higher Levels. When you cast this spell using a 7th level spell slot or higher, creatures take additional 2d6 force damage per spell slot.