After evolving his cultivation technique with the Green Lotus Core Flame, Gu Yi did not stop.
He took the Myriad Blood Crystal Orb from his storage ring and looked at the small cluster of Bone Chilling Flame inside.
As a sub-flame, its source was very weak, less than one-tenth that of the Green Lotus Core Flame.
Even if he devoured and refined it, it would not greatly benefit Gu Yi's strength or the evolution of the Blood Sun Scripture.
But Gu Yi did not care about its source. What interested him was the Bone Chilling Flame's simultaneous traits of extreme heat and extreme cold.
And... its potential to evolve the Bone Martial Soul!
Gu Yi's Soul Power surged forth, drawing the Bone Chilling Flame sub-flame from the Myriad Blood Crystal Orb. He then swallowed it in one gulp.
Though this sub-flame did not contain much source energy, its power was far from weak.
The instant it entered his mouth, extreme heat and extreme cold erupted at the same time, instantly subjecting Gu Yi to the torments of ice and fire.
An ordinary Spirit Martial Realm cultivator without protective measures would likely have been reduced to ashes on the spot.
Gu Yi understood that feeling deeply.
Back at the Ice and Fire Yin Yang Well, when he had taken pills refined from two Immortal Herbs, he had used the power of the Yin Yang Well to temper his body.
Now, he was merely repeating a familiar process.
His powerful body withstood the Bone Chilling Flame's power head-on as he guided it through his meridians along the circulation route of the Blood Sun Scripture.
Before long, Gu Yi had refined the Bone Chilling Flame.
He controlled part of its source and merged it into the Bone Martial Soul, raising the quality of