Refining blood baleful intent required demonic beast essences.
Fighting was strictly forbidden within the immortal city, and eyes and ears were everywhere. It was not the best place to refine it.
Xu Xuan left Flowing Cloud Immortal City and traveled several hundred li east, where he sighted a continuous mountain range.
He found a desolate, secluded valley rarely visited by people.
The hills here rose and fell, and only a few low-level Foundation Establishment demonic beasts lived nearby. There was no danger.
"I'll make my final preparations here."
Xu Xuan laid down a concealment formation and took out the Fire Baleful Banner.
The banner was dark red, with faint beast shadows struggling within it. Its dark red fire baleful intent was scorching hot.
He took out the essences of several fire-attribute demonic beasts he had hunted recently.
The main soul among them belonged to a Crimson Flame Python equivalent to the Foundation Establishment Early Stage, exceptionally savage and vicious.
Xu Xuan sat cross-legged and circulated his magical power, drawing upon the Earthcore Flame Baleful Intent within the banner.
He began melting down and refining these essences.
This refining method came from the Blood Baleful Sect, and Xu Xuan had long since mastered it.
But the refining process remained perilous.
The resistance offered by a Foundation Establishment Realm demonic beast's essence was far stronger than that of one in the Qi Refining Realm.
It took Xu Xuan considerable mental effort to completely subdue this Crimson Flame Python's essence.
The temperature in the valley soared, and the air warped.
Blood-colored light blazed from the Fire Baleful Banner, and the Crimson Flame Python's phantom on its surface grew increasingly solid.
Now, the refinement had reached a critical point. He needed to use his own essence blood as a catalyst to stabilize the main