Little Black Tower muttered inwardly and quickly lowered the pressure inside the tower to its minimum.

In its eyes, Qin Guan had clearly already reached his limit just now, yet that guy had still dared ask for even more pressure, nearly crushing his body to pieces.

But thinking about it carefully, if Qin Guan weren't ruthless enough, there was no way he could have trained his physical body to the eighth realm at only sixteen.

Even though his master had fed him countless heavenly treasures to temper his body, without astonishing willpower, he still couldn't possibly have reached the eighth realm.