Hearing Mingluo smugly describe the origins of this grand formation,
Gu Chenfeng could not help feeling a surge of alarm.
They actually intended to strip away the Heavenly Demon King's Demon Race bloodline and turn him into a Soul Devouring Beast.
Once this succeeded, the Heavenly Demon King and even all of Ten Thousand Demons City would defect, and the Chaos Star Domain's Three Kings Alliance would collapse without a fight.
At this thought, anxiety secretly stirred in Gu Chenfeng's heart.
He attacked with all his strength, and while fighting Mingluo, took an enormous risk to unleash several astonishingly powerful spear shadows at the grand formation.
"Boom, boom, boom...!"
The spear shadows struck the silver radiance, making the grand formation's light ripple, but still could not break through.
Seeing Gu Chenfeng's actions, Mingluo grew even more smug.
"If this grand formation were so easy for you to break, how could it have sealed the Heavenly Demon King inside?
"Among our Upper Realm Four Clans, the Spirit-Speech Clan has the deepest mastery of formations.
"This grand formation consumed vast resources and even uses Supreme Blood Crystal as its energy source.
"Unless your mastery of formations surpasses Yan Yu's, even if you were a Saint-Level Expert, you could forget about breaking this formation in a short time."
As Mingluo spoke to disturb Gu Chenfeng's concentration, he also tried to find an opening and kill him in a single blow.
But Gu Chenfeng still maintained his composure, driving the power of his starry sky domain prototype to its fullest as his vast divine sense surged.
He allowed himself not a single mistake in battle, buying as much time as possible while thinking of a way to break the formation.
At this moment, Mingluo unleashed a frenzied assault, but Gu Chenfeng remained like an