Because Zhang Chi had an unwavering obsession in his heart.
I want to live!
To live was Zhang Chi's most genuine wish, and if this wish were to be qualified, it would be to live well.
It was precisely because of Zhang Chi's powerful obsession that he could die in the fierce fire time and time again and then be reborn within the flames.
After dying about a dozen times, Zhang Chi finally had an epiphany.
The reason why a phoenix can be reborn from ashes is simply because it does not want to die.
The persistence of the human heart is the most magical power in this world; the power of wish can turn decay into magic, creating something from nothing.
Obsession is also the most powerful force of a person, to contend with the mysterious gray mist, everything is illusionary, only one's unwavering thoughts are of utmost importance.
So, Zhang Chi summed up that the characteristic of the Phoenix Fire is, as long as I do not want to die, then I can be undying.
Then came the question.