Sun Yunling's words plunged Dugu Nian into silence.
Just as Sun Yunling said, because of the battle in the Extreme North Land, although the Hidden Kill Hall lost many experts, it was still the Hidden Kill Hall. No one knew just how many experts were hidden within this behemoth, or how deep its foundations truly were.
Dugu Nian and others from the Sky Swallowing Palace had previously underestimated the Hidden Kill Hall, thinking it was nothing special and believing that the Sky Swallowing Palace could completely overpower it.
But now it seemed they had oversimplified Hidden Kill Hall's complexity.
The Nine Countries had attempted more than once to besiege the Hidden Kill Hall without success, not without reason; the power of the Hidden Kill Hall was indeed terrifying.
