Ah, one of the mimics. That was rather different, assuming the story was true. Mark had to wonder how he would handle walking down a dark hallway and meeting himself--either he'd reaffirm his mental stability and give himself a firm pat on the back, or have some sort of breakdown, but either way he'd certainly wind up with a Mark-shaped corpse as a remnant of the fight. Whether it was his corpse or the mimics'. Although, didn't they usually appear as persons one cared for..?

He smiled at Aidou's suggestion of map comparisons, although he didn't bother trying to appear friendly in that smile. "That's all right, thank you, I believe I'll pass. I'm satisfied with what I have at the moment." Sasuke's questions were more to the point. Though, "Keys have been found on the bodies of killed nurses as well. That would indicate to me that both sides are playing us towards opening doors if we can. The doors which he does not want us to open may be less obvious than simple locks. For example, the basement which everyone is so enthused over was apparently an unnoticed entrance until he began pointing it out. There may be other examples of doors hidden away for some reason, until they've prepared a set of games for us to play there as well."