Hong did not wait for Ning Cheng to ask again, and said carefully, there is actually a legend in the outside world, saying that when the branches of Jianmu were broken by the suppression of chaos, they were divided into five kinds of trees. In addition to the world tree, the chaos tree, the tree of life, and the annual ring There is also a tree called Nirvana tree. In fact, we don’t even know what a nirvana tree is....