Taming The Black Lotus Villain after Rebirth

Yan Xisheng, a minister of the Great Yin Dynasty, and Sheng Yunqi, the leader of the Qingyun sect, look alike. Both were killed by their disciples, but unexpectedly reborn into each other and now want to teach their disciples a lesson with different masters?!

Yan Xisheng: I will learn from my experience this time and I'll be able to discipline this black lotus well.
His new mad dog disciple Duan Wei: Master, do you know what the first step in taming a mad dog is?
一一Feed him full.