[Comprehensive] the Other Side of the Underworld

There is such a group of people, they have very powerful power, but they do not belong to any period of history. Even so, they are the guardians of the world, because they have to protect many of the key pillars that support the development of the world and prevent them from being harmed in the process of world development. Of course, they are also the guardians of hell. They will clean up the demons who escape from hell and come to the world to disturb the world or deliberately harm the pillars of the world. They are mysterious, powerful yet omnipresent. They were born in the underworld of hell, and appeared in the world with the power of underworld, named - underworld sword. The underworld is a blade, and the other shore is a garment. Huangquan knife, the other side pattern. They were born in hell. Purpose: Cut off all filth