Bai Yifan has an ancient ring that allows him to travel freely between the Earth and the fantasy world, and he has discovered that "plants... more>> and animals" on the Earth will evolve into treasures when they are taken to the fantasy world. An apple evolves into an immortal fruit, an egg will hatch into a phoenix or an earth dog has the bloodline of a dragon. One could even use tobacco to manipulate the enemy to their advantage. <<less