The reason Li Qingyun agreed to duel at Zang Yuan was naturally because he possessed a certain "home-field" advantage there. Being cautious, he could advance and retreat freely.
Furthermore, setting it three days later gave not only the Abyss Clan, but also the other Superior Clans, ample time to arrive and watch the battle.
This battle concerned the Quasi-Saint realm, and it could be said to be his battle to ask the Dao of Saints!
If the Quasi-Saint wills of the Twelve Superior Clans all came to watch, that would be for the best.
He could challenge them one by one and push his own Quasi-Saint path to the absolute limit.
His physical body already possessed the three most significant Quasi-Saint conditions, meaning he was already capable of transcending the universe and stepping beyond the cosmos.
Yet he felt he still had some room for growth.
His Dao spirit had completely evolved into a universal Chaos Origin Point, but his intuition told him there was still a possibility of enhancing the Dao spirit.
This possibility lay in borrowing the remnant wills of Quasi-Saints, using "external force" to temper the Dao spirit's origin point, forging it to become even more magnificent, profound, and incomparably solid.
Subconsciously, he felt the "origin point" might concern the "Saint foundation" of the major realm of Quasi-Saints.
This was the drawback of being a lone walker. With doubts in his heart, he had no one to consult and could only grope his way forward alone.
The moment that Abyss Clan vacuum disciple returned to the Abyss Clan land and delivered Li Qingyun's challenge invitation, the entire Void Abyss Star River instantly erupted in a tumultuous roar!
To speak of that Abyss Clan vacuum disciple, since he lacked the qualification to walk before the Mysterious Profound Stone