As being one of the most respected miners on Mars, it is thought that she works as a Foreman, working with the other miners including Parker. Eos is one of the first hit by the plague released by Axel Capek. At one point in the course of the game Eos is seen without her face shield and it is revealed that she is disfigured on that side of her face. However after the final battle and disarming of the bomb, she is located tied to the device and she has no scars. Parker even goes so far as to a point where he gets close to her face and gets a awkward reaction from her.