Aquatic Razor

You Summon a wide arc of high pressure water that you hurl forward. Each creature in a 10-foot wide and 40-foot long line in front of you must succeed on a Dexterity saving throw 13 or take 7d4 slashing damage on a failure, or half as much on a success.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 2d4 for each slot.