C1269 Invitation to Join the Guild, Assessment.!(last part)

After a while.

Lin Xuan arrived at the entrance of the Equal River Great Rift Valley.

At the northernmost part of the Black Mountain Fortress.

In his line of sight, there was a huge wall that reached the sky. It was so tall that one could not see the end of it. However, at the bottom of the huge wall, there were dark clouds that covered it. The power of the lightning was rampaging