They had been walking along the tunnel for over three hours, not because the tunnel was of such length.
Rather, the path that Li Yao had chosen was not calm; cave dwellers and some small unintelligent mechanical monsters started to block the way.
Moreover, as they moved in deeper, the quantity and quality of the monsters began to elevate significantly. They spent less time walking and more time fighting.
"Master, how much longer till we reach the checkpoint you mentioned? It's nearly half a day now, and there's still no sign of it," War Horizon asked impatiently.
His impatience wasn't unjustified. As the main tank, he was likely the most exhausted among them. Aggroing monsters was no easy task.
What's more, they had only bumped into two other teams within half a day. Since there was no conflict of interest, both teams cooperated for a while before parting ways at a fork in the path.