Deckard Cain made his way across the floor, following the footprints to an alcove in the far wall. Rotted boards clung to supports, the last remains of an ancient library. This had been a ritual chamber, many centuries before, used to summon things from beyond the human world. A portal to the Burning Hells themselves, perhaps. The shelves were empty w. He saw a speck of yellow underneath a spli…