The Nether King's heart instantly turned to ashes. The fusion of the spirit flames had failed, and Wang Daoyuan no longer had a way to rapidly improve his cultivation.
The gap in strength between the two of them and the Bone Demon Ancestor was far too great. It was impossible to bridge it in a short time.
If the Bone Demon Ancestor refined Ancestral Dragon Mountain directly from outside, they would have no power to resist at all.
"Fellow Daoist Wang, is there truly no way?"
Wang Daoyuan shook his head. "There truly is no way to improve quickly, but my strength is still advancing rather fast.
"If another few decades pass, I should be able to fight him.
"Besides, I still have some means of improving my strength.
"Of course, they definitely cannot compare to fusing spirit flames."
"Now that the spirit flames are half-fused, I wonder how much power the Annihilation Divine Flame still has."
As he spoke, he casually took out a stone and drew out a wisp of blood-red Rootless Fire from the half-fused spirit flames.
The stone instantly burned into nothingness, producing some Law Power without leaving even a trace of ash behind.
Wang Daoyuan let out a breath of relief. "Fortunately, the Annihilation Divine Flame's ability has not disappeared. My strength will not be weakened."
The Nether King took out a black silk book. "This is the Myriad Ghosts Grand Formation I developed. With me as its core and tens of thousands of high-level ghost cultivators working together, it can display the strength of a peak Eight Dao True Immortal.
"Even against an ordinary Nine Dao True Immortal, it has the power to fight.
"Humans can also deploy this grand formation. Fellow Daoist, you can gather human experts and establish one as well.
"If