Bloodbend

Blood gets pulled out of a target's open wound visible to you. The target must make an Constitution saving throw of 13. On a successful save it only takes half damage, on a fail the target takes 2d8 points of necrotic damage.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8 for each slot level above 2nd.

At 4th level, the save goes up to 14 and the caster takes 1d4 of damage.

At 6th level, the save goes up to 15 and the caster takes 1d6 of damage. Both the target and caster must make a Constitution save of 10, on a fail the target and/or you will be incapacitated until the start of it's/your next turn.

At 8th level, the save goes up to 16 and the caster takes 1d8 of damage. Both the target and caster must make a Constitution save of 14, on a fail the target and/or you will be stunned until the end of it's/your next turn.