The Last Mortal in the Three Realms

One day in the immortal world lasts ten years in the human world, and three hundred years in the immortal world is equivalent to a million years in the human world. The protagonist wakes up in the fairy world to find that all his fellow mortals have become immortals or perished. The fairy world is divided into three levels of heaven, consisting of suspended islands carried by cloud whales. The bottom sea of ​​clouds is surging with chaotic spiritual energy, the middle level is floating with the ruins of the fairy palace, and the upper level is shrouded in mysterious black mist. There is a law of metamorphosis pool in the fairy world. Mortals will automatically transform into fairy bodies when they come into contact with spiritual energy. The protagonist maintains his mortal body due to mysterious bronze fragments in his body, becoming the only being in the Three Realms who can touch the ancient prohibition. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.