Era of Spirits and Demons: the Last Immortal Cultivator

Have you ever thought about it? Negative emotions become a world energy. Era of Spirit Demons: Every "anxiety marketing" tweet you read I can't help but curse every word I say while commuting, Even the tears secretly shed late at night—— They are all being used as "fuel" to be fed to the "emotional eaters" hiding in the mortal world. They are dark-minded people who obtain extraordinary abilities through negative emotions. And our protagonist Lin Yan! When he joined the Dark Energy Organization - Soul Network, he slowly discovered the secrets of the Soul Network organization. Should he choose to maintain the "false order" or "overturn the pasture"?