Perhaps it is not a 'who' but a 'what'. That crystal was pulling towards you, correct?

[ he didn't wait for a response, but instead was gathering the papers together. he might be a Red Mage right now, but his primary Job was that of a Scholar. there would be time later to read these notes when they weren't exploring this place looking for the three missing people.

then his plan changed at the sound of the door slamming shut. ]

I think that we are not alone any more.