Tendrils of the Void

You call on necromantic energies to empower your strikes. A dark aura surrounds your weapon as you strike each creature within 10 feet of you. Each creature must make a strength saving throw. On a failed save, the creature take 1d6 plus your spell casting ability necrotic damage and cannot react until it's next turn. One a successful save, the creature takes half damage and no other effects.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage is increased by 1d6 for each slot above the 1st.