Common Forest Protogen

Protogen Visor. Can't be diseased or poisoned through the means of air. The protogen does not get affected by the effects of lightly obscured and heavily obscured. Making its dark vision see everything clearly without any disadvantage on wisdom perception checks based on sight.

Keen Hearing and Smell. The protogen has an advantage on Wisdom (Perception) checks that rely on hearing or smell.

Forest Protogen. Can hide and disengage as a bonus action in forests. Has advantage on attack rolls in forests. 

Multi-attack. The protogen can do three attacks: one with its bite and 2 with its claws or it can do 4 unarmed strikes instead of biting and using claws

Bite. Melee Weapon Attack:  +4 to hit, reach 5 ft., 1 target. Hit: 6 (1d8 + 2) piercing damage.

Claws. Melee Weapon Attack:  +4 to hit, reach 5 ft., 1 target. Hit: 10 (2d8 + 2) slashing damage.

Unarmed Strike. Melee Weapon Attack:  +4 to hit, reach 5 ft., 1 target. Hit: 5 (1d6 + 2) bludgeoning damage.

Common Protogen Loyalty. When its leader or creator gets injured, it disengages from its current battle and goes to aid them. It will do anything to protect and aid them, even sacrificing themselves.

Parry. Increase AC by 2 for one incoming melee attack which it can see.