Blood Darts

You turn your own blood into lethal projectiles and fling them at one creature within range. Make a ranged spell attack against one creature or several. Each dart strikes a creature of your choice that you can see within range. A dart deals piercing damage equal to 1d4 + your spellcasting ability modifier to its target.

Using a Higher-Level Spell Slot. The spell creates one more dart for each spell slot level above 3.