B.O.S.S is the name given to the security units defending outside Kroziennes fortress. After Krozienne was awakened, he immediatley put these serivce bots to use. Their name is short for Bruiser Of Security Standing. Their official model is Bruiser due to their immense size and power and their rank is Secuirty. Their powerful arms end in large cannons that are also used as brutal melee weapons. Their overal build is designed to be sturdy and appear lumbering but they can also be seen to show great feats of speed such as charging targets.