Resurrection of Spiritual Energy: Upgrading from Killing Pigs

"You successfully killed the unawakened alien beast: the pig, with mental power +10 and qi and blood +30." "You were splashed with pig blood on your face. The smell of blood is astounding to your nostrils. Your sense of smell is +1 and your charm is +1." "You swung the butcher knife once, understood the basic sword skills, and the sword skill proficiency +1." … Just as his spiritual energy was about to revive, Wang Zheng suddenly awakened the most powerful auxiliary system. When he discovered that animals all over the world were mutating, he could level up by killing the pre-awakening animals. He resolutely applied for a job in the slaughterhouse. Since then, a certain slaughterhouse has a person who specializes in killing pigs with a knife, but the efficiency is better than that of automated machines... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.