His name is Xecious Moonlight. A well-known fighter and survivalist, often seen just camping casually deep in Labyrinths and Dungeons. Which is also a reason why he is one of the first person to re-awaken 3 times and the second [SS]-Rank Hunter in history. He is able manipulate his shadows and anything shades connected to it as an extension of himself and fast-travel in them like a stream of water. He is also able to store anything he can carry in his shadow like an Pocket Dimension