Aquatic Razor

You summon a wide arc of highly pressurized water and launch it forward. Each creature in a 10-foot wide and 40-foot long line must make a Dexterity saving throw or take 7d4 slashing damage on a failure, or half as much on a successful save.

At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d4 for each spell slot.