After discussing the distribution of the spiritual pills with Baek Cheon-Sang, Baek Mu-Gun headed to the training hall and called for Baek Yong-Hwan, who ran to the training hall as soon as he heard about the summon.0

“You called for me?” Yong-Hwan asked when he arrived.0

“Have you been training a lot while I was gone?”0

“I did my best, but I don’t know if it’ll be up to your standards, Young Patriarch.”0

“How about you show me your progress for now?”0

“Understood.”0

With a sword in hand, Yong-Hwan went straight to the center of the training hall and began to execute the Demon-Purging Black Wind Sword Art, which he had learned from Mu-Gun. At the same time, Mu-Gun activated the Thunder God's Heavenly Eyes to observe Yong-Hwan’s flow of energy as well, which was not visible to the naked eye. In doing so, he got to examine Yong-Hwan’s swordsmanship better.0

Yong-Hwan performed the techniques of the Demon-Purging Black Wind Sword Art flawlessly. However, the flow of energy around the techniques was inconsistent and unstable because Yong-Hwan had only started learning the Demon-Purging Black Wind Sword Art recently and because he lacked internal energy.0

The Demon-Purging Black Wind Sword Art maximized its power through the explosiveness of its user’s internal energy rather than through sophisticated techniques, which meant performing its techniques required large amounts of internal energy. If the user lacked the internal energy to support the martial art, an imbalance between the martial art’s techniques and the user’s flow of energy would inevitably occur. That was the case with...0