After a brief divination.
Daoist Hongjun replied calmly to Shi Feng, "Precisely. Daoist Tongtian was not simply formed from a single breath of the Pangu Primordial Spirit. His species evolved from Half of Earth's Embryonic Membrane into the Earth Book: Classic of Mountains and Seas, then into the Chaos Dao Scripture. From that species form of an innate chaos being, which already stood at the pinnacle of the Primordial World as a supreme, peerless powerhouse...
"He evolved into Shangqing Daoist Tongtian, formed from a single breath of the Pangu Primordial Spirit. Such an overlapping species form, which nevertheless causes no rupture or fragmentation in the Chaos Union with the Dao Art, could be called terrifying beyond measure. But between me and the Three Pure Ones formed from Pan Gu's single breath, the fortune of heaven and earth, the bonds of heaven and earth, and the karma of heaven and earth are interwoven."
"Even I, Hongjun, cannot see through so much as a fraction of the great karma involved."
"However, I naturally know that Daoist Tongtian's peerless sword strike can slay every living being in the Primordial World, including his master, Vine Dao Venerable Lin Tian. But right now, it absolutely cannot descend upon the head of Daoist Hongjun."
Hearing Daoist Hongjun's explanation, Shi Feng and Ancestral Dragon, two veteran Peerless Chaos Great Encompassing Powerhouses of the Primordial Three Clans...
These veteran Great Dao Quasi-Saints felt their hearts jolt, understanding why Daoist Tongtian could not slay Daoist Hongjun.
*It seems the great karma between Daoist Tongtian, one of the Three Pure Ones formed from Pan Gu's single breath, and Daoist Hongjun in the original history and fate must involve a karmic inheritance like that between father and son, master and disciple. That is why Daoist Tongtian's sword strike cannot slay Daoist