(Note: Although the terminology of omens and kaidan is uniformly used in the book, in practice, kaidan from other worlds may not perceive themselves this way. They might be called gods, demons, or something else. Grasp the spirit of it.)
Miss Ke, according to the definition from Infinite City, was undoubtedly a later-stage kaidan.
Her life as a human was brief and painful. She was born into a family devoutly following a faith that believed in the Pope. Her parents, convinced by the Pope's words, burned her alive. Ironically, due to the Pope's propaganda, she was thought to have ascended to heaven, having her sins cleansed by flames. Yet, because of that brief and intense cognition, she transformed into a weak later-stage kaidan that could vanish at any moment.
As time passed, the part of her that belonged to humans was completely forgotten with her parents' death, and in the cognition of countless followers, she even became a representative of a "divine servant of heaven."