Mak Wijong was the lieutenant of the Black Shadow Unit and later their commander after Kang Soah was executed by the Second Heavenley Demon, Cheon Yeo Woon. However, he was also the secretive leader of the Blue Sky Brotherhood, a group of extremists who wanted a clear "Blue Sky".
Plot[]
Before reporting his discovery of the Blade God Six Martial Clan movements to the Murim Alliance and bring the Dragon Turtle as proof, he drank its blood, causing Thunder Qi to surge within him. At first, he struggled to control the power, However, thanks to a technique he had learned a method to conceal his growth by dispersing his internal energy throughout his body he managed to suppress it. In less than a month, he gained full control over the Thunder Qi, dispersing the energy into his Dantian and hiding its presence from others.
Later on, because his action he would get his dantian shattered and be frozen to death by Cheon Yeo Woon.