Evolve into a God in a World of Demons and Demons

What you eat grows! It was a strange disease that affected daily life, until the demon came and everything changed. The concept of evil gods radiates around the world, pollution spreads like memes, and demons and evil spirits wreak havoc on the world. Since eating the tentacle monster and growing tentacles, Sinan has walked farther and farther away from people. The demon is bloody and cruel, so he evolved to be even more cruel than the demon. The evil spirit is weird and unpredictable, so he has evolved to be even weirder than the evil spirit. The pollution that everyone avoids is the blueprint for Sinan's evolution. Several years later, demons and evil spirits looked at the indescribable and incomprehensible existence suspended in the sky, and howled, who was the demon?