Xu Qing exchanged discussions with the Old Heavenly Master until the sky grew faintly light, and both were still engaged in conversation. At this time, the Old Heavenly Master took out a small booklet and said:
"Xu Jieyuan, this small booklet contains the method of Guiding Heavenly Thunder. You only need to assist me with the Golden Light Spell after completing the Luo Tian Grand Sacrificial Ceremony."
Xu Qing received it and skimmed through, immediately understanding that Guiding Heavenly Thunder was indeed a simplified and rapid mastery method. Once he had mastered Palmar Thunder, learning this would come naturally and effortlessly.
After his exchange with the Old Heavenly Master last night, he also understood the relationship between the Outer Elixir Method and the Inner Elixir Method.
Essentially, there are commonalities in their theories.
