Ah yes, the power of her bonds. It's a topic any attendant is fond of speaking about, though they don't exactly under it themselves since they've never had to create those sort of things.

"Perhaps. However, if you lack the ones you had before and the book is as empty as it appears, I fear that not even your bonds will fill it back up. It... might just have to stay this way." And he'd have to train Metatron himself. Their first practices together are sure to be fun. "If I cannot return to the Velvet Room as well, then I might have to start my journey to find my answer earlier than I had planned."