Blood Siphon

You siphon the blood of a target within range. Make a Ranged Spell Attack. On hit the target takes 2d8 Necrotic damage. If the target was already damaged, they instead take 2d10 Necrotic damage.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases the damages by 1d8/1d10.