You Were Supposed to Cultivate the Unorthodox Way, So How Did You Become Heaven's Chosen One?

Zhao Yongyi transmigrated to another world and became a demonic cultivator. To his surprise, he unexpectedly obtained a dual-world travel System. He became the only cultivator in a world of zombies. Other demonic cultivators kill and rob people, devouring their cultivation. Zhao Yongyi only needs to kill zombies and collect their blood essence. After killing enough, he even earns the recognition of the Heavenly Dao. A demonic cultivator, shining with the Heavenly Dao's light, a glory usually reserved for the righteous path. Righteous cultivators: “How did a demonic cultivator like him earn the Heavenly Dao's recognition?” Demonic cultivators: “This makes no sense. The kid hasn't killed many people, so how did his cultivation get so high?” Zombies: “I paid for all of it with my life.”