The sword-forging process was terrifying. Any ordinary person present would have died of fright on the spot.
Shi Feiyang sat on the central ritual altar, holding the Nine Heavens Primordial Yang Ruler in his right hand while forming spell seals with his left.
At first, everything went smoothly. Wu Longzi divided the specially prepared charcoal made from Heaven-Dry Spirit Bamboo into nine portions and placed them in the Eight Trigrams Furnaces. Fire Wuhai spat out nine balls of blazing flame to ignite the charcoal, Deng Bagu first poured in Heavenly One True Water to purify the furnaces, and Long Meng forced air through the gaps to feed the fires.
The temperature continued to rise. The metal used for the Heavenly Demon Immortal-Slaying Sword Blank was exceptionally hard, and Shi Feiyang had also added Taiyi Primordial Essence of the West produced by the little rhinoceros. Even softening it was no easy task.
By the end, the Loose Immortals beside the furnaces were being scorched until their faces hurt and their hair and beards curled. Without the Cooling Pills Shi Feiyang had distributed beforehand, they would already have been unable to endure it.
Once the Sword Blank softened, the hammering began in earnest. One person cast spells while another swung the hammer, and they changed shifts every two hours.
Throughout the hammering, Shi Feiyang kept forming seals and casting spells, breathing out essence qi to cleanse and refine the metal.
First, they repeatedly folded and hammered the iron blocks while essence qi steadily permeated them, cleansing and refining them thoroughly for three days and nights.
Shi Feiyang handed out more Elixirs for them to take, then released the first nine demon heads.
The demon heads he had chosen had been vicious, depraved fiends even before falling into Revered One Yideng's hands. He