Demonic Soul Corruption

Zhou Si is the strongest immortal cultivator who had infiltrated the core of the demon's territory to negotiate peace with them. Unfortunately, it was a trap organised by the demon emperor to corrupt his soul and make him part of his army surrounded by the armies of the demon race Zhou Si has to slaughter his way out of the demon territory avoiding been corrupted by the demon ki that appears in form of a fog every time that he kills an enemy.