All Transmigrated: The Weakest Spirit Master Is Lord of the Nether Realm

I transmigrated to a terrifying world where evil spirits are rampant. When my martial arts awakened, my arch-nemesis mocked and controlled me relentlessly, and the entire grade thought I was a bottom-tier failure. Little did they know, I awakened a rare and forbidden secret profession, wielding authority over the nether realm and commanding spirits of darkness. I feigned weakness to devour the tiger, recruited powerful figures under the nether realm, cultivated a legion of nether beasts, crushed every genius, and fiercely clashed with the arrogant imperial clan. From an unnoticed passerby, I counterattacked to become a nether realm tycoon stirring the winds of the Northern Region.