C1068 yin and yang fire

The inner area of the Mirror Lake Forest!

The yin and yang fire was one of the few hundred kinds of flame known to the Profound Sky Continent. It was a special flame that caused all living beings to feel fear, but also filled their heart with boundless desire.

It was different from other 'Heavenly Flames'. It could be used to aid alchemy or it could be used to aid refining