Comments of chapter undefined of Librarian of the Eternal Library

Okay, what I'm about to say now might be a little stupid, but why do you make almost every item Nox receives have the invisibility feature? I know you do it to avoid attracting attention and all that, but that would be turning it into a cliché, don't give invisibility function to some important elements, even if they are going to stand out, don't do it. It doesn't matter. It's just a small suggestion