A spirit realm soul.
This was something the vast majority of Dou Zun could never possess.
With a spirit realm soul, reaching the level of nine revolutions to sainthood was said to be only a matter of time.
Even someone as powerful as Yao Chen had only reached spirit realm grand perfection in his soul realm. He could refine Grade 8 Pills that summoned nine-colored Pill Lightning, but entering the Heaven Realm remained difficult.
Otherwise, the proud Yao Clan would never have sent someone to invite him back. Yet when he insisted on thoroughly investigating how he had been framed all those years ago and having his parents' names inscribed on the clan monument, they still refused him.
The real reason, however, was that before he subdued the bone spirit cold flame, the Yao Clan Bloodline within his body had disappeared to save Han Shanshan. This had damaged his talent, leading a Half-Saint elder of the Yao Clan to conclude that he would remain a Nine-Turn Peak Dou Zun for the rest of his life.
After a sneak attack by the Hall of Souls left him gravely injured with only his soul remaining, he successfully rebuilt his body and returned to life with Xiao Yan's help. Instead, that destruction and rebirth allowed him to obtain a Heaven Realm soul and Half-Saint cultivation.
Yun Potian, an unaffiliated cultivator, actually had the talent to reach spirit realm grand perfection. Unless his luck was exceptionally bad, he had a chance of becoming a Half-Saint—the level of the elders who openly handled mundane affairs for the Eight Great Emperor Clans.
No wonder the Gu Clan valued him and still remembered his deeds centuries later.
"As for the cause of my death..." Unaware of Chu Zhou's thoughts, Yun Potian's remnant soul showed hatred on his