Diana and Vardin took turns digging through the ground, extending the tunnel as a massive network was formed. When Diana dug at the front, Vardin would fill up their tunnel from behind. And when Vardin dug, Diana would fill up the other end.
This way, they moved forward in a small chamber. It was to ensure that no one would be able to track or stumble into their path. It was better to be cautious than to risk it all. After all, numerous bandit groups were still prowling about in the area.
"Sorry to spend this much of your Rank Two God Stones," Vardin apologized as he grabbed another handful of Rank Two God Stones from Krune.