I Randomly Picked up the Most Powerful Heavenly Book in the Underworld?

In the Shenwu Yu Kingdom, Li Xingchen, known as the useless young master in the capital, died mysteriously outside the city... On the way to reincarnation in the underworld, he was accidentally left behind by a ghost. He waited for death but accidentally picked up the most powerful heavenly book in all eternity... "My life is so miserable. I can't even die quickly." Li Xingchen was about to cry but had no tears. "Boy, what you are holding in your hand is the world-defying heavenly book left by the Emperor Hades who unified the Nine Provinces in ancient times. You still want to die? Who dares to accept you? The King of Hell, I don't have that strength!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.