Wascylewski, nicknamed Wassy by fellow crewmembers, was an Engineering Officer aboard the fuel depot Sphacteria orbiting the gas giant Pylos. His life in the far reaches of space is suddenly livened when the crew notice a mysterious vessel approaching the station.
As Captain Hassan fails to contact an unknown approaching vessel, he asks Wassy why nothing on the ship seems to work, with Wassy shifting the blame to Rook. Hassan suggests they take a shuttle to the ship and investigate.
The crew board the ship and explore its interior. As the rest continue their exploration, Wascylewski notices a massive hole in the wall, citing that something had melted through the bulkhead. He eventually catches up with the group who are in a hypersleep room containing three humans. After Wassy tinkers with the system, Park flips the switch to open the chambers, only for them to begin violently overheating due to the coolant tank being ruptured burning those in the chambers alive. Wascylewski desperately searches for a fail safe as the crew breaks the chambers open and pulling the now horribly burnt and disfigured members out onto the floor. He begins staring at one of the victims as it begins going into shock, staring back at him.
Wassy returns by himself to go to life-support. As he turns a corner, he hallucinates a Xenomorph emerging from a hole in the wall. He panics and then checks a second time, only for it to turn out to be a mesh of pipes and machinery. As he recovers from his scare, a loose cord blasts steam into his direction, covering his field of view. As Wascylewski looks into the smoke-covered corridor, a real Xenomorph emerges from the mist. He retreats into life support, leaving a case behind. In life support, medical officer Harrow and Park are attempting to sedate the burnt passengers. Wassy quickly leaves with a bottle of alcohol. Hassan stops him, citing that he can "get drunk on [his] own time" but now, he needs him to decipher the lone vessels logs and see what he can find. Though Wassy is clearly annoyed at this, Hassan tells him to stop pouting, as all of their careers are on the line now after Hassan broke protocol by letting three unlicensed passengers on their ship.
Later, Wassy recovers data that reveals that the ship's last entry had them exchanging supplies for Chinese Yuan, with only frontier colonies in desolate space still using the currency. Wassy deduces that if the crew initiated emergency procedures aboard the ship, then the vessel would autopilot them to the nearest corporate location, in this case, the Sphacteria. Additionally, he identifies that the ship originally contained eight crewmembers, not three. Hassan is about to tell him to continue his analysis before Harrow calls Hassan to the medbay. The whole crew rush to the medbay where they see Park and Harrow attempting to hold down a seizing patient. Wassy looks on in horror as two of the three passengers birth Chestbursters that escape into the depths of the ship.
After recovering from the shock, Wascylewski realizes that he left his case in the hall after his encounter with an Alien. He returns to the hallway, with no signs of the creature, suddenly a hull breach results in him being violently pinned against the wall by a box. After a tremendous effort, Wassy was able to activate an emergency fail-safe and seal the bulkhead though his lack of oxygen results in him passing out.
After an unknown period of time, Wascylewski wakes to see the too adult Xenomorphs right on top of him, one of them dragging him by his heel.
Wascylewski is a drab and humorless individual, preferring to keep to himself as much as possible than to socialize with his fellow crewmembers. He is far from diligent and prefers to avoid addressing any issues at hand, be that through passing his responsibility onto another crewmember or simply by drinking his problems away. A heavy smoker and a presumed alcoholic, Wassy's dull lifestyle in desolate space compliments his personality. That being said, he is not an amateur; regardless of his avoidance of given tasks, whenever he performs his duties as Engineering Officer, he resolves them swiftly and efficiently.