"Congratulations, Youwei, on breaking through to the middle stage of the Qi Nourishing Realm." Mu Chen smiled. It had been less than two months since Su Youwei had broken through to the Qi Nourishing Realm.
Freshly advanced, Su Youwei's fair skin shimmered with a faint glow of Yin-Yang Source Qi. This was the Yin-Yang Source Qi born from the Yin Yang Qi Mansion, and it was exceptionally profound.
Su Youwei could use Yin-attributed or Yang-attributed Source Qi separately, or wield Yin-Yang Source Qi. That was the unique aspect of the Yin Yang Qi Mansion.
"Compared to you, Brother Chen, I still have quite a gap to make up." Su Youwei spoke softly. She had only reached the middle stage of the Qi Nourishing Realm, while Mu Chen was already at the late stage and could charge through the Heaven Pass at any time to advance into the Heaven Pass Realm.
That was why she worked even harder, to catch up with Mu Chen. Yet she could not pursue speed of advancement at the expense of her foundation. This was something Su Youwei kept firmly in mind.
"Yaoyao, I want to ask something. What is the greatest height you know of for charging through the Heaven Pass?" Mu Chen asked.
"I haven't seen it myself, but Grandpa Hei once said that among the geniuses he had seen, a very small number could break through to eight or nine hundred zhang," Yaoyao said slowly.
"However, I estimate that the theoretical maximum for someone newly entering the Heaven Pass Realm should be nine hundred and ninety-nine zhang. Nine is the ultimate number. Going one step further, to a thousand zhang, should exist only in legends."
Above two hundred zhang, one was already considered a genius here on the Vast Continent.
Nine hundred and