Homebrew
Telepathic Link. The elite robot butler can communicate telepathically with any creature within 200 feet of it that can understand a language. Advanced Servitude Programming. The elite robot butler has expertise in all skills associated with domestic duties and serving. Additionally, it has advantage on saving throws against being controlled or manipulated through technological means.
Electrified Tray Bash. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 4) bludgeoning damage plus 9 (2d8) lightning damage. Laser Serving Tray (Recharge 5-6). The elite robot butler detaches its serving tray, which transforms into a ranged weapon. Ranged Weapon Attack: +6 to hit, range 80/320 ft., one target. Hit: 16 (3d10) radiant damage. Serve Fortifying Beverage (3/Day). The elite robot butler serves a beverage to a creature within 5 feet. That creature regains 10 hit points and gains 10 temporary hit points for 1 hour. The creature also gains advantage on the next saving throw it makes within that hour. Diagnosis and Repair (1/Day). The elite robot butler performs a quick diagnostic and repair routine on a construct or mechanical device within 5 feet. It restores 20 hit points to the target and removes malfunctions or negative conditions affecting it.
Defensive Countermeasure. When a creature the elite robot butler can see targets it with an attack, the butler can impose disadvantage on the attack roll, using a force field to deflect the attack. It must declare the use of this ability before the attack roll is made.