Nobody dares to undertake the task of killing Yue Zi-tong now, but it does not mean that she will be safe in the future.
Li Nan knows very well that those really heavy killers are now on close watch. Even if Yue Zitong's reward bonus is fixed on the price of $400,000, sooner or later someone will assassinate her.
Whether Yue Zitong could be killed at that time was of secondary importance. The key was the heavy killers who wanted to take this opportunity to meet the legendary black ghosts.
It's like the young knight-errant novelists who take the initiative to challenge some celebrities in order to gain a place...