Blood Rend

You attempt to siphon blood from a creature and then imbue it with necromantic magic to harm or heal a creature near the original target.  Choose a creature you can see within range.  The target makes a Constitution saving throw.  On a failed save that creature suffers 2d8 necrotic damage and you may choose a second target, which may be the same creature, within 30 ft. of the first.  You then choose to either deal damage to or heal the second target.  If you choose damage make a ranged spell attack against it.  On a hit it takes necrotic damage equal to half of the initial damage dealt.  If you choose to heal, the target regains hit points equal to half of the initial damage dealt.

On a successful save, the first target takes half damage and no other targets are affected.  Constructs may not be chosen as the original target of this spell.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d8 for each slot level above 1st.