C99 The Master of the Mysterious Realm's Bad Taste

There was only one sentence written on the door:

"There are no treasures here."

And at the bottom, two more words were added:

"Really."

It seemed like a sincere warning from the other party. Yet, there are always those who judge a book by its cover instead of its contents.

As Su Yan entered, the door above her slammed shut with a thunderous crash, plunging her into darkness