sentences:  BLACKWATCH is one of the intricate parts of the game's story and create some of the most deadly biological weaponry to combat Alex, including viral detectors capable of detecting Alex even in his disguise, and, introduced later in the game, the deadly poison Bloodtox, capable of slowly killing Alex and the Infected.Introduced later in the game are heavily armored and durable soldiers referred to as Super Soldiers, capable of fighting against Alex and some of the strongest Infected.In order to gain more advanced upgrades, Alex is capable of sneaking into Military Bases using a disguise and stealthily consume various officials within the base.