Mortal Bones Alone on the Top

After five years of childhood, Xiao Changsheng strayed into an unknown secret place in the mountains and fields. The world was isolated from the hustle and bustle of the world and hid unknown mysteries. Originally a mortal, he unexpectedly received help from a mysterious being - either an ancient remnant soul, or a secret spirit core. This secret help opened a shortcut to the path of immortality for him, and also laid the foundation for him to move forward.