When an Abyssal battles and defeats Oblivion in the form of Death itself, they return changed spiritually. They have mastered the power of the Abyss in some limited way. This has three known abilities.
First the Abyss Master may recover any memory claimed by the Void, either through death or the devouring of a ghost. (This is the same as the system given for Whispers and may be performed once per scene for 1 Willpower).
Second, though minor, every Abyss Master recognizes another for what he is, and often gains some images stolen by Death.
Third, any ghost destroyed for even a time, while their destruction is immediate, the Abyss may be asked a number of questions that the ghost could answer, to be honestly and completely answered. This also requires the reflexive expenditure of 1 Willpower.