C447 Unable to Crack It

"What kind of runes is this!"

When he saw the runes at the bottom of the Starstream Pool, Wu Hong was stunned on the spot. He had never seen such a formation before.

In Wu Hong's knowledge, the runes had their own key nodes to support the operation of the entire formation.

However, the runes in front of him did not seem to be the nodes he knew. At least Wu Hong could not see them.

In fact