Scrapper

A creature that hits the scrapper with a melee attack while within 5 feet of it takes 19 (3d12) lightning damage.

The scrapper makes two Spike Punch attacks. It can replace one of those with a Wires attack.

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage plus 5 (1d10) piercing damage.

Melee Weapon Attack: +8 to hit, reach 20 ft., one Large or smaller creature. Hit: The target has the grappled condition (escape DC 16) and must succeed on a DC 16 Strength saving throw or be pulled into an unoccupied space within 5 feet of the scrapper and take 19 (3d12) lightning damage. The scrapper can have only one creature grappled in this way at a time.

The scrapper shoots a magical beam from its extended eye at one creature it can see within 120 feet of itself. The target must make a DC 16 Dexterity saving throw, taking 44 (8d10) force damage on a failed save, or half as much damage on a successful one.