You magically puncture a creature within sight, dealing 1 piercing damage and transferring an amount of their blood equal to half a small vial, in a viable container on your person.

This spell’s damage increases by 1 and the amount of blood transferred by half a small vial when you reach 5th level (2 damage and a full small vial), 11th level (3 damage and one small vial and a half), and 17th level (4 damage and two full small vials).