The Man in the Mirror was meeting with Madam Mandel? And they could even have afternoon tea together? By all rights, as the leader of the Embers Organization, he and the people of the Glory Alliance should not have been so friendly.
Setting that doubt aside for the moment, Garo looked at Landon and Freya and carefully asked for more details.
"So, you just said that when that poisonous snake was humiliating you, the mysterious man suspected of being the Man in the Mirror suddenly transmitted some sort of message to her, which made her change her mind?"
"Yes. She asked me to retrieve a book from the Ruins. According to her, its cover was made of a skin-like material, with an eyeball embedded in the center."
Landon nodded and gave a detailed description based on what he had heard at the time.
"...An eyeball? Skin?"
After thinking carefully, Garo ultimately shook his head.
"I will report this matter to the Leader."
There was no helping it. As a Professional of commoner birth, Garo's knowledge was far inferior to that of the nobles. He knew very little about the specific details of these legendary treasures left behind by history.
Still, though he did not know, he knew whom to ask.
Unlike him, who had grown through nothing but Fortuitous Encounters and experience, Leader Leo had studied at an advanced Professional academy in the empire. He surely knew what it was.
"Then, do you have any other information to report?"
"No more, Teacher Garo."
Landon shook his head and respectfully withdrew with Freya.
After leaving Garo's room, Dark Raven's roar was already deafening in his mind.
"That is Heros' Infinite Grimoire!! A growth-type Magic Curio at the Ninth Rank Limit! It is said to contain every Secret Art in the world!