Might of the Master. The following numbers increase by 1 when your proficiency bonus increases by 1: the defender’s skill and saving throw bonuses (above( and the bonuses to hit and damage of its rend attack, and the number of hit points restored by its Repair action (below). Vigilant. The defender can't be surprised.
Force-Empowered Rend. Melee Weapon Attack: +4 to hit, reach 5ft., one target you can see. Hit: 1d8 + 2 force damage. Repair (3/Day). The magical mechanisms inside the defender restore 2d8+2 hit points to itself or to one construct or object within 5 feet of it.
Deflect Attack. The defender imposes disadvantage on the attack roll of one creature it can see that is within 5 feet of it, provided the attack roll is against a creature other than the defender.