I Am Mentally Ill and I Am Killing People in Another World.

Yu Er is a mentally ill person who inexplicably traveled to the post-prehistoric world. He has experienced many hardships, many ups and downs, and many twists and turns. Then upgrade all the way to the top of the world, look back, look at the endless chaotic world, and sing loudly: "We once loved each other vigorously." The realms of this book are Qi training, foundation building, golden elixir, Nascent Soul, transformation into gods, transcending tribulations, human immortals, heavenly immortals, earth immortals, golden immortals, Taiyi golden immortals, Daluo golden immortals, quasi-sages, saints, heavenly ways, great ways, and supreme.