Blood Swath

You swath your hand in front of you, causing necrotic infused blood to sear the skin of creatures struck. A creature within range must make a DEX saving throw and suffers 1D8 Necrotic damage. On a success, the creature only suffers half the damage (minimum of 1).  The drop of blood is taken as a toll from the user of this cantrip, causing 1 Necrotic damage to the caster.

At Higher levels: The damage dice is increased by 1D8 and the damage taken is increased by 1 at 5th (2D8, 2 damage taken), 11th (3D8, 3 damage taken) and 17th (4D8, 4 damage taken).