There are four grades of spirit bones in the world. The first grade is the Heavenly Spirit Bone. The second grade is the Golden Spirit Bone. The third grade is the Profound Spirit Bone. The fourth grade is the White Spirit Bone. The rest are all Mortal Bones, with no chance of cultivation. Xu Taiping, a mere Mortal Bone, vows to prove to this cultivation world that Mortal Bones can also slay demons, Mortal Bones can also exorcise evil, Mortal Bones can also ascend to immortality!