"Mr. Ghost, do you know about the Skeletal Demon?" Felix asked suddenly during the drive, remembering how he had asked Deborah before without learning much.

Shepherd laughed and said, "Why are you asking about that one?"

"A friend mentioned him once and said he was ruthless and terrifying. It just made me curious."

Shepherd glanced at Deborah with an odd expression. "Your mentor really does focus solely on alchemy, doesn't she? The Skeletal Demon has been Harmony Clinic's target for years.