Fang Yi was behind Lao Fu, and it was in such a cramped space like a bathroom stall, the female waitress was even inside there, but Fang Yi's form was ghostly, Lao Fu couldn't catch him at all.
Otherwise, he would have already reacted.
Of course, even if Lao Fu had reacted, it wouldn't have mattered, because Fang Yi's fist had already struck, heavily hitting the back of Lao Fu's neck.
You must know that the back of the neck is one of the most vulnerable parts of the human body. With this punch from Fang Yi, let alone this Lao Fu being an Earth Level Master Fifth Stage, even a Heavenly Level Master couldn't withstand it.
Of course, if it were a Heavenly Level Master, they wouldn't let their back be exposed to the enemy.
Crack!
This punch from Fang Yi landed, and such a sound was heard.
No doubt, Lao Fu lost.
Moreover, that sound was the sound of spinal dislocation.
Fang Yi didn't intend to kill anyone; if there were fewer people, Fang Yi would kill without any hesitation.
