“Evanesco,” Killian said, nodding in understanding as he leaned back slightly. “It’s a tricky one, that.” He remembered mastering it during his fifth year at Hogwarts, recalling the extra effort and time it had demanded. “Ye seem bright, all right… so, if ye’re struggling, odds are ye’re trying too hard,” Killian offered, then quickly winced at his own words. Had he actually just complimented Whymper? Goddamn. That was his cue to leave. Feeling a sudden restlessness, Killian glanced towards the doorway. “Well, I should be going,” he stated, rising to his feet and stretching as he headed for the exit. “Good luck, Whymper,” he called out as the door swung shut behind him.