C245 Ultimate Martial Skill(2)

"Ink Night Sword Washing Arts" doesn't specify the required mastery level, but just the amount of genuine qi needed for the second move is beyond what a Martial Master can handle. Woo Zhengyang's sword-shaped genuine qi is already more refined than others, yet he still struggles to perform it. Other Martial Masters, unless they're at least in the mid to late stages of the Reality Condensing Stage