Blood needle

A needle appears beside your wrist and you can shoot it at and enemy: make a ranged spell attack and on a hit the victim takes 6d6 piercing damage and 2d4 necrotic damage until the end of the round 

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage (both initial and later) increases by 1d4 for each slot level above 2nd.