Source Crystal...?
Getting closer to the location where the battle was taking place, Chu Yang made sure that he didn't get too close to any of the other Domain Lord Realm cultivators that he had noticed along the way. Not wanting to end up changing the current state of things and ending up as the primary target of everyone here.
The main reason for that was the fact that he had already encountered around seven people hiding in the dark observing the battle that was taking place. All of them between the Seventh Stage and Eighth Stage of the Domain Lord Realm.
Although they were clearly weaker than the two currently locked in battle with each other, their numbers more than made up for it. Even more so, considering that there was a high chance that he hadn't found all of the people hiding in the dark observing the battle that had now moved towards the edge of the ruins and was starting to scale the side of the towering mountain.