As time passed, the Immortal Quicksilver lake shrank at a visible rate.
The Immortal Quicksilver turned into billowing true qi that circulated throughout Gu San's body. In Gu San's Consciousness Sea, a fierce tiger roaring upwards turned into dust in the blink of an eye.Next was a black flood dragon, which was refined in the same manner, followed by one after another spirit essences of ferocious beasts that Gu San had refined during the great battle using his Dragon-Elephant Prajna Technique.The Dragon-Elephant Prajna Technique was an ability bestowed upon Gu San by Fan Yi. The so-called borrowing of ferocious beasts' power within it was merely a feature added by Fan Yi out of a mischievous whim back in the day.
Its most essential function, however, was purification.
Chapter 163