C106 Magic and deceit

What Fu Yan said was too "legendary", it was a treasure trove and it was also a gatekeeper who mysteriously went missing, what kind of novel was this?

I stared at him in disbelief. In order to prove his words, Fu Yan took out the so called treasure map and showed it to us.

I took it and looked at it. This treasure map didn't have any incantations nor did it have any specific structure