Aztech B-11-18

Death Flash. When the bomb drone dies, nonmagical light flashes out from it in a 10-foot radius. Any creature in that area and able to see the bright light must succeed on a DC 12 Constitution saving throw or take  7 (2d6) Radiant damage.

Axiomatic Mind. The drone can’t be compelled to act in a manner contrary to its nature or its instructions.

Not of Nature. The turret doesn’t require air, food, drink, or sleep.

Networking. The sight of other constructs on the network share vision with this construct

Flyby. The drone doesn't provoke opportunity attacks when it flies out of an enemy's reach.

Multi-attack. these drones make 1 Arc Pistol attack and 1 Lightning Touch attack

Arc-Pistols. Ranged Weapon Attack: +5 to hit, range 80/120 ft., one target. Hit: 5 (1d4+3) force damage. Reload 4 on a bonus action.

Lightning Touch. Melee Weapon Attack: +5 to hit, reach 5 ft. one target. Hit: 3 (1d6) lightning damage. On a hit, the target can't take reactions until the start of its next turn.