[ He nods his head at the information, as he did ask someone what the ghost's name was - the guy said he'd never asked. Names can be easy to forget: a ghost stops introducing himself, people stop saying it. Stories generally have feelings involved. ]

I'll remember that when talking to him.

[ Nico will always use 'professor'. Translation technology is a mystery for Nico too, just let him be glad it worked for text with his. Maybe it's because the language that exists in his head, so the omni can draw off of it. ]

So probably not a hallway behind here. Something they wanted to keep extremely secure, to put it behind two locked doors with different keys. [ Nico makes a Face at the idea of being a key. ]

Guess we'll have to do it the old-fashioned way. Trying to find some sort of hint in all those books.