Though it was highly advanced, their powerful radar was not designed to detect signals from underground, so it was impossible for it to track anything one hundred meters deep.
Gu Yue lay on Tang Wulin's back with her arms wrapped around his neck. He used his pair of Dragon Claws to open up a path as he dug forward swiftly.
He was not doing digging in a random direction. In fact, he saw that there was a river nearby just as he was about to jump off the fortress earlier. He thought that there must have been a river that crossed through the Great Star Dou Forest that had been revealed later on due to deforestation. The river was about a hundred meters wide with an unknown depth, so he felt this was his best escape path.
"No. We've lost them."
"Do a blanket search. Use the underground detector."
