A Clue

The tower of knowledge's first floor was filled with rows upon rows of bookshelves inscribed with sealing formations. Each book placed in them was given specific sealing covers that wrapped the book. 

As if it wasn't enough, the wiggles of forgotten texts, forbidden chants and broken pieces of demonic pictures floating in the room imbued the very air with a nightmarish aura.

The security method was thought of by Sia, of course. The bad habits of pranking people just got worse. This security would not harm anyone who stumbled here by accident. 

It'd just give them some bad dreams and send them out. But if they sneaked in to with bad intentions, dying would be the least of their concerns.

Varian glanced back at the room as he took to the stairs.