Inner Space of Universe

A small vendor accidentally got a simple Bagua copper coin in the antique market. He unexpectedly shed blood to identify its owner. He unlocked the secrets inside the Bagua copper coin and deciphered the eight hidden spaces inside one by one, interstellar space, earth center space, reincarnation space, multidimensional space, demon world, demon world, ghost world, strange world... Gradually achieve, conquer, and adapt to all walks of life. Let's follow the protagonist.