Chapter 439: Lu Shu's Markings

Inside the walls, it was complex and overlapping. Despite the chilly darkness, the initial section of the passage was relatively friendly as there were no side roads.

However, another kilometer down the road and the tunnel suddenly split into three branches. Strangely, there were no changes in the Spirit Qi concentration underground, except a slight difference on and below the surface.

Might as well close your eyes and bet on your luck then, Lu Shu thought. There was no obvious right or wrong answer now due to the lack of evidence and clues. With the confidence that he had always been lucky, Lu Shu went on, and, successfully, he got lost…

He drew a deep breath at a familiar fork in the road. What the heck…

How to decide which way he had tried and which he had not in a labyrinth? By markings?