Infected with the undead disease, he had to specialize in suicide magic

Immortality disease, a curse that burns lifespan at twenty times the speed after infection. Live one year and age twenty years, but before the end of lifespan, the body is immortal and the soul is indestructible! No matter how serious the injury is, it can recover as before!
Li Jiu was infected with immortality disease. In order to survive, he had to specialize in the quick magic skills that are no different from suicide in the eyes of the world!
Gold-eating Yuan magnetic skills! Heavenly demon disintegration method! True demon enters the heart sutra!
Enter the Tao in one day, break through in seven days, transform in more than a month, and ascend to immortality in one year.
Li Jiu held a small black flag and stopped a person, “Daoyou, please stay. It’s been a long time since we last met. Why don’t you come into my Human Emperor Banner and have a chat?”
“Why is your Human Emperor Banner emitting demonic energy?”
“There are too many demons suppressed in it.”
“But what’s the matter with that cold breath?”
“Why are you talking so much nonsense! Come in!”
(Traditional fantasy, genius, extreme)