Underground Ruins

That very afternoon, the Tribal Alliance's first batch of teams exploring the ruins set out.

Aside from one hundred-man unit from the Gray Eagle Tribe, the participants from the other tribes totaled more than two thousand.

Ganggula did not go, but the Wild Bear Tribe still dispatched a force of around five hundred, led by experts from the tribe, to be among the first to enter the underground fissure leading into the ruins.

Following right behind the Wild Bear Tribe's force was a team from the Golden Roc Bank with only a little over twenty people. Though small in number, it had the most professional underground surveyors and mapmakers, making it quite eye-catching.

Compared with drawing surface maps, drawing underground maps was dozens of times more difficult and far more complicated. Surface maps were flat maps, while underground maps were three-dimensional perspective maps drawn amid much more complex conditions. In this age, maps of most places humanity had set foot on could be bought for a bit of money, but maps of the Underground World, no matter where, were important strategic resources held by major powers. They possessed enormous military and economic value and were rarely seen by ordinary people.

Hidden Dragon Hall even had specialized courses teaching students how to identify and use underground maps. Unfortunately, Zhang Tie had never encountered that course before leaving Hidden Dragon Hall. He only knew that in Huaiyuan Prefecture, such things generally existed only in the staff departments of various military corps.

From afar, Zhang Tie watched the Golden Roc Bank's team vanish into the entrance of the underground ruins.

Only then did Paulson, the manager of the Sea Blue Castle Merchant Guild's Eskil City branch, find an opportunity to speak with Zhang Tie alone.

Zhang Tie quietly listened as Paulson told him