COPY_OF_Gear Knight

Brave. The  Gear knight has advantage on saving throws against being frightened.

Mechnical. made of brass and bronze the enemy are incapable of bleeding blood immunity to bleed moves

Leadership (Recharges after a Short or Long Rest). For 1 minute, the knight can utter a special command or warning whenever a nonhostile creature that it can see within 30 feet of it makes an attack roll or a saving throw. The creature can add a d4 to its roll provided it can hear and understand the knight. A creature can benefit from only one Leadership die at a time. This effect ends if the knight is incapacitated.

Hive Mind command can't done be each knight so the Commandant knight that if defeated can deactivate the rest of the enemy 

Volley  for the command is absolute enemy can be focused on one enemy each shot is worth 1 d6 die  

Crackshot if five turn have past this enemy can fire a shot in advantage 

Reposition: with tactical but robotic movement the gear knight can each reposition 1sq