[He raises his eyebrows, absolutely not recognizing something/one called the Archive. It's possible she's from the magic side, given that nun's name is apparently Index Librorum Prohibitorum... but he isn't sure.]

More like a title. 'Accelerator' is the name of my psychic ability. I'm an esper.

[He leans more heavily on his crutch as the owlet on his shoulder gives a little hoot.]

What makes you 'the Archive', then?