"It's simple, really." If Skulduggery even noticed that he had Castiel's undivided attention, he certainly didn't give any indication. "Just fight your way through mounds of hair in the sun room so you don't have to deal with a dead woman who's not only falling apart, but can induce nasty hallucinations for days to come. Avoid touching the red one-eyed snakes in the library so you don't lose yourself in equally nasty and immediate hallucinations, and likely end up killing yourself. After that, pull out the Oxford Book of English Verse, and the wall right next to it slides open."

Then, he added silently, try not to kill your roommate. You'll miss the next three days.

He hadn't spoken to Rita yet, and didn't really know when he would. Skulduggery didn't need to see her for anything, and Rita was undoubtedly far too impressed with him to try and seek him out. Their relationship was a nicely balanced one.

"If you do manage it," he added a little less silently, "I'd appreciate it if you let me know what you find."