Evil and Troubled Times: I, the Deceitful Cultivator of Immortality, Am Going Crazy!

In the 230th year of the Qi Dynasty, the world was in chaos with demons and demons. The Qitian Awakening System from time travel, holding the Heavenly Book of Secret Dao, can get attribute points to become stronger by killing monsters and absorbing the essence! This surprised Qi Tian. Isn't this system tailor-made for him in this troubled world? So, as a nobody, he slayed demons all the way! Kill a thousand-year-old demon king, absorb its essence, and obtain a third-grade Heaven-Swallowing Technique! Kill a ten-thousand-year-old evil spirit, absorb its essence, and obtain a fifth-grade, five-thunder blood tribulation! Kill the 100,000-year-old Taoist Demon Lord, absorb the essence, and obtain a ninth-grade immortal demon power! ... The more monsters you kill, the more invincible you become! Starting from an unknown person, he climbed all the way to the sky, cultivated the immortal way, and with a few clicks of the past and present, he became the supreme deceitful immortal emperor! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.