Might of the Master: The following numbers increase by 1 when your proficiency bonus increases by 1: the iron defender’s skill bonuses, the bonuses to hit and damage of its bite, and the number of hit points restored by its Repair action (Already calculated).
Vigilant: The iron defender can’t be surprised
Bite: Melee Weapon Attack: +5 to hit, reach 5 ft., one target you can see. Hit: 1d8+3 piercing damage.
Repair (3/Day): The magical mechanisms inside the iron defender restore 2d8 + 3 hit points to itself or to one construct or object within 5 feet of it.
Defensive Pounce: The iron 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 iron defender.