Zack plants his hands on his hips, frowning in thought as he turns his face briefly skyward. After a second, he offers an entirely unhelpful, "Hmm... Nope."

But he figures Sephiroth isn't expecting different, anyway. If he hasn't heard of it, the chances that Zack has? Super limited. (Zack's not the one with the penchant for vaulting himself up with a bunch of books, after all - but that isn't a track he wants to go back down, right now, the thought prompting a silent, internal wince.)

"But if you make a marker out of something the right size, I can probably check it against some of these other doors around here."