Inside this Arms Hall, there is also a formation.
However, this formation is very simple for Lin Dong to decipher.
He quickly deciphered the formation inside the Arms Hall.
After deciphering it, Lin Dong continued to move forward.
No one knows how long he walked, but Lin Dong arrived at the front of a Dark River.
There was no path ahead, the path was evidently hidden in this Dark River.
Lin Dong used his Mental Power to explore for a while and soon discovered that beneath the Dark River, indeed there was something hidden, a waterway leading to the underwater.
Lin Dong dived into the water and followed the waterway downwards.
Soon, he reached the bottom of the water.
Originally, the bottom was pitch black, however, after about ten minutes of swimming, he suddenly saw a glow in the water.
He hurriedly swam towards the glow.
"That's a palace hidden in the water!" Lin Dong was filled with excitement.
