Lightning Overload. When the robot takes lightning damage, it must succeed on a DC 10 Constitution saving throw or have the stunned condition until the start of its next turn.
Multiattack. The robot makes two Tentacle attacks or three Laser Beam attacks.
Tentacle. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit:10 (1d10 + 5) bludgeoning damage. If the target is a Medium or smaller creature, it has the grappled condition (escape DC 16). While grappled, the target also has the restrained condition. The robot has two tentacles, each of which can grapple one target.
Laser Beam. Ranged Weapon Attack: +5 to hit, range 120 ft., one target. Hit:16 (4d6 + 2) radiant damage.
Grenade Launcher (Recharge 5–6). The robot fires a grenade at a point it can see within 120 feet of itself. The grenade explodes in a 20-foot-radius sphere centered on that point, creating one of the following effects (robot's choice):
Combat robots are designed for security or military action. They make able sentries and are usually programmed to take intruders prisoner before resorting to lethal force. Combat robots signal their pursuit with built-in sirens and flashing lights, warning nearby creatures of their imminent arrival with an intimidating display. Combat robots display a wide range of voices. Some units are clearly designed to intimidate, while others offer canned, upbeat platitudes in pleasant tones even while…