Kapitel 423: Genetic Fusion Potion, Genetic Ability Awakening!

Ten minutes later, Old Bull put on a long face and stepped back into the martial arts center.

Mu Xuan was lying on the recliner and teasing his three kids. When he saw Old Bull return, he immediately smiled. "Didn't you just swear that you wouldn't step into this place even if you were beaten to death? Would you like me to beat you to death now?!"

"Ah—" Old Bull's face instantly turned red, and he was filled with embarrassment. "Big… Big shot, I… have nowhere to go… Our boss asked me to guard the door for you…"

Mu Xuan looked at Old Bull and suddenly smiled. "Be a guard? Sure, you can be the guard, Master Bull!"

Old Bull: "…"

Hence, from this day onwards, Old Bull became the guard of the martial arts center. With him standing at the door, fewer people dared to enter the martial arts center.