Blood Clot

You fill the air around you with a mist of blood sourced from the weave 15 feet on each side, the blood mist emanates from you following wherever you lead it. A creature takes 2d4 necrotic damage when it enters the spell’s area for the first time on a turn or starts its turn there. 

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