My Output Depends Entirely on Roaring

"Demon Lord, come back with us! Master Wife can't bear it anymore, we can't bear it." "Let her find a solution by herself. I'm going to the fairy world to practice." Traveling through spiritual energy to revive another world, I became the reincarnation of the Nine Nether Demon Lord, but this time I am a disciple of the right path. It comes with system benefits, and its output basically relies on roaring. "Use your unique skill: Exploding Anal Palm!" One palm knocked the opponent away. "Reward 19999 martial arts value!" "Noxian Guillotine!" "Successfully released the intermediate secret skill, killed five people in a row, and was rewarded with 10,000 martial arts points!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.