Kill 20 Helghast soldiers with the VnS-10 Scylla Mounted Machine Gun

Chapter: Strange Company
Level # 4

It's really difficult to pinpoint the location of the Scylla due to some poor level design at the hands of Guerilla Games, but thanks to some Graffiti drawn over a wall, we know where to get started. Straight ahead from the said hallway, you will rendezvous with some ISA troops who are exchanging fire with the Helghast. A building will also collapse in the background, but that has nothing to do with where we are going. Among the Helghast, there will be two Elites. Take them out along with the dozen other Helghast soldiers, after which you will find your Scylla just around the corner. Kill the Elite who is currently manning it, and enter the Machine Gun by pressing . You will most likely only be able to get 5-8 enemies with it, so Restart from the last checkpoint as many times as necessary. You will respawn right at the hallway with the Graffiti, so the travel time is minimal.