The Guiyi Water-Parting Spike Li Yan had unleashed flashed, stabbing separately toward the head and tail of the sword sheath exposed outside the yellow flood dragon's mouth...
Thud, thud!
The pointed ends of the Guiyi Water-Parting Spike struck the two ends dead-on, immediately giving off dull, muffled sounds. The crimson glow on the ancient-looking sword sheath suddenly swelled explosively once more, and the sheath's body began to shake even more violently.
But with that strike, the trembling of the yellow flood dragon's body steadied at once. As its huge mouth bit down, it tightened again, seeming all at once to have gained the upper hand.
Light flickered in Li Yan's eyes. Since Senior Brother Pei had already made his move, Li Yan's goal now was very clear: trap Su Nanzi's sword sheath.
He knew that with this magical treasure of Su Nanzi's, the longsword and sword sheath had no distinction of primary and secondary. The two could freely enter yin-yang transformation—light or heavy, attacking or defending, all decided by a single thought from Su Nanzi.
Because Su Nanzi's lifebound magical treasure was a flying sword, many people easily treated him like a sword cultivator, and in the end, they died without even knowing how they had died.
A sword cultivator's strength was almost entirely placed on their flying sword or sword pellet. Although cultivators of the external sword path would also refine their sword cases or sword sheaths into objects for attack or defense, there was an absolute distinction between primary and secondary. Their focus in nurturing was still the flying sword or sword pellet. Su Nanzi also used a longsword as his lifebound magical treasure, yet he nurtured it together with its sheath, and all its transformations lay in the ghost-and-god-unfathomable shifts of the Great Dao of yin and