"The ninth-heaven immortal king realm! Hiss..."
Ning Wangshu drew a sharp breath, his expression suddenly turning utterly grave.
Even if his opponent had recovered only seventy or eighty percent of his peak strength, he would still be at the ninth-heaven immortal king level. With Ning Wangshu's current cultivation, he might barely be able to hold his own.
But he was nowhere near strong enough to kill him.
At that thought, Ning Wangshu immediately looked up at Xuan Yuan Longcheng and Xuan Yuan Yulong and asked solemnly, "How much longer can the Human Emperor Sword hold out?"
He knew that the Human Emperor Will within the Human Emperor Sword would inevitably weaken over time, until it was completely exhausted and extinguished.
Once it lost the impetus of the Human Emperor Will, no matter how powerful the Human Emperor Sword was, it would no longer be able to stop the Blood Demon Clan's Third Demon Marshal!
When that happened, catastrophe would inevitably descend upon the Huaxia Land!
Even if he could hold his own against the demon in a direct confrontation, he would be unable to stop him from unleashing that eerie bloodlight to devour the countless people of the Huaxia Land.
At Ning Wangshu's question, Xuan Yuan Longcheng gave a bitter smile and sighed. "Judging by the current situation, our ancestor's Human Emperor Will can probably hold out for less than another half a year at most."
"About half a year?"
Ning Wangshu nodded in understanding, then looked up at Xuan Yuan Longcheng and Xuan Yuan Yulong again. "With about half a year, that should be enough."
"I'll take my little sister here home in a moment, then leave Earth again for a while. To be safe, I'll return within five months."
"By then, I should truly have the strength to