C66 Poisoning

"Why is it not feasible? Song Yuanhui is a cruel and merciless person, and Li Zhiyao is a proud and arrogant person. A cruel and ruthless person will definitely not tolerate a person with military merits who will be so proud and arrogant to shake the world, so I guess that if Song Yuanhui were to succeed in taking the throne, he would definitely kill Li Zhiyao