Battered and drained of their Light, these Ghosts are nevertheless valuable for the information they preserve. Their recovered memories may well prove vital to the City's survival.

The problem of dead Ghosts troubles the City's scholars. Are new Ghosts still being born? Or is the number of Ghosts dwindling? Will there come a day when no more remain - an end to the rise of new Guardians?

If that day is coming, then the City faces a desperate race against time to heal the Traveler before attrition takes its toll.