C1779 A Monster That Suddenly Appeared

A few minutes ago, in the Sea God Palace.

"Clang!" Old Master Yin used the sharp edge of the Azure Yang Dagger to split open a black thorn blocking his way.

These black thorns were extremely tough. Even though the Azure Yang Dagger was indestructible, it still required a lot of effort to break through.

Therefore, this consumed a lot of his strength. Moreover