A Mental Patient Crossing Two Worlds

Disaster struck the world, and a mental patient escaped from the hospital. His consciousness shuttles between two blurred worlds, On one side, he is using a sword to slay a dragon, and on the other side, he is fighting a strange beast with an iron rod. Embarrassed. Is he a banished immortal in the world of cultivating immortals, or a survivor in the wasteland of the apocalypse? He really can't tell... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.