The Raging Flames Shattering Cone was incomparably swift and also possessed methods for concealing its aura.
Moreover, Yan Siyi had chosen her timing well.
Thus, before the targeted Demon Lord could react, the Demon-Hunting Shattering Cone had already slammed into one of its defensive measures.
That Demon Lord was also the weakest one here, possessing only Nascent Soul Middle Stage cultivation. As such, its defensive methods were somewhat lacking in power.
The Raging Flames Shattering Cone excelled at shattering protective qi, and it directly blasted apart more than seventy percent of the Demon Lord's defenses.
"Such ability to shatter protective qi is likely a superior divine art for breaking protective qi."
"Fortunately, that Ling Clan Yan Siyi's cultivation is not high. If she had been at the Nascent Soul Middle Stage like me, this move might have directly shattered every defensive measure around me."
The Nascent Soul Middle Stage Demon Lord was immediately startled by the sight, though it also felt somewhat fortunate.
But at that moment, the sole Offense-Defense Array among the two Fourth Rank grand formations within Golden Winged Mountain suddenly trembled.
Immediately afterward, the formation artifact it contained appeared.
It was a massive purple-black iron sphere called the Purple Star Stone Pearl.
Originally, because the primary material used to refine it had been of somewhat low rank, it had only been a Quasi Fourth Rank treasure. However, after the Northern Wilderness Cultivation World endured several great calamities, its former owner, Heavenly Star Pavilion, had taken the opportunity to acquire many materials from Demon Lords.
The sect then found a Fourth Rank Weapon Refiner from one of the Three Great Immortal Sects to help reforge the treasure.
In the end, it had entered the Fourth Rank.
Even the defensive formation artifact of this grand formation had been reforged