"That is certain."
"Phoenix bones usually contain anomalous fire within them, and the energy in the bones is difficult to extract, requiring a more advanced flame."
"The Taiyi True Fire was used by the Taihua Celestial Fox in ancient times, which is why it can do this."
Liu Gu explained, "Besides, you also need to start controlling the temperature with the World-Purifying True Flame..."
"The process is very complex."
Then he asked Lin Chen, "Have you consulted with Senior Qin?"
"I have." Lin Chen replied with a start, "Can this elixir really attract a heavenly tribulation?"
"Of course." Liu Gu said, "It's hard to say if it won't, just to be safe."
Lin Chen was stunned. At this moment, Liu Gu said to the Little Fox, "First use your World-Purifying True Flame to roast these bones."
The Little Fox hurriedly complied.
This roasting went on for three days and nights, and when the water was reduced by half, Liu Gu said to the Fire Spirit:
