Well, they seem to have taken the role onto themselves per their agreement. Still, angels mean something here. The building statues, and with this [ the one Joonghyuk still has his hands on. ], that much is obvious.

I doubt the Watchers know any more than we do if they've only been here a week earlier.

[ Stares a bit more at the book, he'd keep it if he could and read it and read it. Read it until there's nothing new to absorb. ]

Is this the only book you've found on them?