Back then, Youngest Uncle first retreated in the cliff cave and then in the hut.
The first time, he perfectly joined the human realm by using the Great Spirit within three years. However, when he became the strongest one and needed not trick others, he, on the contrary, had to confront more troubles.
Therefore, he retreated again and reflected on it. It was unknown how long had passed before he left the Academy, finding that he had no way to trick himself. He decided to confront the Firmament and thus disappeared forever.
Watching the night sky far away from the cliff platform and the twinkling stars on it, Ning Que, for the first time, attempted to touch the dark sky behind those stars with his eyes.