“Oh, could it be...?” 

The knight, upon hearing Ghislain's words, widened his eyes as if he had just realized something. Not having lived in this area, he hadn’t immediately thought of it, but Turian Kingdom's monster wave was notorious even in other countries.

The "monster wave" referred to the sudden flood of monsters pouring out from the Shadow Mountains. These monsters would then spread chaos throughout Turian Kingdom, ravaging its lands. 

That's why fortresses were constructed along the path they usually took.

Ghislain nodded emphatically. 

“Exactly. Soon enough, even the hidden monsters will swarm out, so there’s no need for …