456. Next Plan

Deep within the underground, there was a space built in cubic space with the length of ten meters and width of five meters. In the middle of this space, a man was sitting in a lotus position while keeping his focus on the energy in him. 

A finger-sized hole could be seen in each wall of the space, while a magic circle drawn with ink was right above the hole. Every second, the magic circle would light up dimly and a gush of fresh air was coming in and out of the hole. Two of the holes had the purpose to draw in the air from the outside and another three were to let the air inside the space back to the outside. 

Not too far from him, a few small bones were stacked. A ball of light shone on top of him, glowing brightly as it illumi