She wears the face band, as they descended into the Hellmouth the wind grabbed hold of the band and it slid off. the raiding team made it through the abyss unscathed because it was dark and no one noticed, but soon they made it to the bridge and emerged in the light. As they looked around to check if the squad made it as a whole they caught glimpse of Eris. No one knows what is under the band as no one has ever lived. But one thing was for sure... they were ugly after death.