Ki'Nua closed her eyes, deeply focusing on her meridians, sensing the Ghost Qi flow through them, as if it was the most natural. She then tried to activate her Clan's cultivation technique, noticing how she had forgotten it entirely.
And, in place of it was a new cultivation technique, a derivation of her Clan's cultivation technique. Just this fact alone proved that the master of the Withered Courtyard was the First Celestial Emperor.
After all, only the four Celestial Emperors had mastered the cultivation technique to the extent they could change or modify it. As it was already perfect from the start, because it was created by the world, no Celestial Emperor bothered to upgrade it. But, that didn't mean they hadn't mastered the cultivation technique.
Rather, they had only become the Celestial Emperor after mastering the cultivation technique. That was one of the conditions, one they used to make their respective elements submit to them.