Bone-made puppet

Eternal's deal. The creature, if taken to 0 hp, makes a Wisdom save (DC: 15) and if it succeeds 1d10 hp is restored, continuing to fight.

Soul drain. Makes a creature blinded and deafened while in it's melee range. A previously soul drained creature dies instantly when taken to 0 hp. When the puppet dies, all of the drained souls are liberated and all dead remain dead.

Scimitar. Melee Weapon Attack: +7 to hit, reach 5 ft., 1 target. Hit: 19 (2d8 + 3) necrotic damage. If this attack crits, burning hands is used instead.

Demonic blast. Ranged Weapon Attack: +5 to hit, range 30/60 ft., 1 target. Hit: 21 (3d6 + 3) fire damage.

Drain. While there is a target with his soul drained at melee range, cause 1d12 necrotic damage to them.