678 Hidden Rules

Wang Wei and the group looked at the towering mountain with a castle at the top. It was a world of white due to the snow, and they observed only one road from the bottom to the top. 

"This thing is a nightmare to conquer," said Tie Gang. "There is only one path, and our troops would be decimated before reaching the top. Even with the Undying Legion, we would suffer terrible losses before we reach the castle."

"It's a double-layer formation," added Yan Liling. "The outer formation covers the mountain, while the inner layer protects the castle. Both are Immortal Tier, if not more."

"I'm guessing the Array Virus will not work for these formations?" asked Li Jun.

"No," replied Wang Ju.

"With the formation, it's virtually impossible to dig secret tunnels to reach the top," Li Jun added. "We cannot use blockade tactics since they are likely self-sufficient with a small world full of resources.