Professor Kazel pondered. "This may be somewhat better than my method. But we still don't know whether the other party is after the Vampire in the secret passage. In fact, that probability is not very high."
"That doesn't matter."
Dark shook his head. "Since we've started, we might as well make this bigger. We also need to find out what Vlad the Vampire's appearance truly signifies—and who Vlad the Vampire really is! Anyone who takes the bait, even if they aren't the invisible man, will be connected to him. Only by truly understanding Vlad the Vampire's origins can we deal with him properly. As part of the academy Castle, the secret passage is extremely valuable. It can't remain sealed forever."
Professor Kazel and Professor Sylph looked at him in surprise.
After a while, Professor Kazel nodded. "What you say makes a great deal of sense."
Dark continued, "There are some things we can reveal in moderation.
"For example, many people are actually curious. During the holiday, where exactly did I go, and whom did I save to earn that additional Holy Grail wish? There's no need to admit it, deny it, or reveal why Vlad the Vampire appeared in the secret passage. Of course, we'll need someone to answer that question. Why would a genuine, extinct Vampire of the Demon Race appear out of nowhere in the secret passage of an ancient Castle? There will certainly be no shortage of people interested in that."
He paused briefly, then added, "Whether he came for the Vampire or not, we can make him come for the Vampire." And so the matter was settled.
When Dark left the office, he had an additional set of Magic Chess in his hands.
One of the Magic Chess pieces, modeled after Vlad the Vampire, lay quietly