As these words left his mouth, General Xuanpeng's gaze was fixed intently on Gu Liangyuan's retreating figure, a faint sheen of sweat appearing on his forehead.

Although he had also reached the Tribulation Crossing Realm, when faced with Gu Liangyuan in this state, he wasn't confident of winning, or even escaping from Gu Liangyuan's grasp with more than an eighty percent chance.

However, he could tell that Gu Liangyuan's current state was definitely achieved through some secret method to forcibly enhance his strength.

As far as he knew, there was no secret method in the world to enhance one's strength without a time limit.