C470 Decadence
Tang Wenrun would definitely not let Gu Lingsheng's evil technique still exist in this world.
Gu Lingsheng cultivated the same kind of evil art as the dead Ni Xiao. After catching the person, he would first absorb all the blood in their body, and then turn them into immortal person!
He didn't kill Gu Lingsheng with such an evil move