Sword Sha Thunderous Sound Old Ancestor Bai Guang's ink treasure was extremely simple; on the white paper, there was only one horizontal stroke and one vertical stroke.
The horizontal stroke was short, the vertical stroke long!
It looked just like a pitch-black sword! Chen Mobai sat down on the sofa on the balcony, suspending Old Ancestor Bai Guang's ink treasure in midair, refining and purifying his Spiritual Sense with the Lamp Burning Technique while he looked at it.
Because Venerable Yu Xiao was in the Myriad Treasures Cave, and Che Yucheng, Zhuang Jialan, and the others were handling miscellaneous affairs outside in the Dao Academy, he actually became free instead.
Each day, apart from cultivation, he could just use the time to observe this ink treasure.
Chen Mobai had also asked Zhuang Jialan to help him make inquiries, and learned that after Old Ancestor Bai Guang left behind this Ink Treasure Sword Mark, only the two directors of the Sword Control Department and Venerable Cheng Xuan had comprehended it.
However, the two directors of the Sword Control Department were only in the Core Formation Realm, and did not dare to probe too deeply into the sword dao realm contained within it.
Although Venerable Cheng Xuan was not a Sword Cultivator, he had reflected this Ink Treasure Sword Mark with his own Natal Magic Tool, the Crimson Heart Treasure Mirror. Through this method, he could simulate a small portion of Old Ancestor Bai Guang's sword intent.
When Chen Mobai heard this, he immediately felt that Venerable Cheng Xuan was far too much of a genius.
He had actually been able to think of this kind of method! However, Chen Mobai also knew that there definitely had to be some other secret technique involved. After all, the sword intent Old Ancestor Bai