(V, F) Cut yourself with your claws. Focus your blood into shard blades.
You hurl the blades of blood. Up to 5 creatures within range that are within 5 feet of each other are pierced. A target must succeed on a Dexterity saving throw or take 1d12 piercing damage.
This spells damage increases by 1d12 when you reach 5th Level (2d12), 11th level (3d12) and 17th level (4d12).