There were no other opponents for Tianming in Gladeus apart from the ebons who had run and were hiding underground. As such, Skyhold Bridge and the Skydome Battlefield were crucial places to temper his abilities. Skyhold Bridge, especially, was a constant source of temptation to him as it was the key to reaching the most powerful divine wonder. Now that he had breakthroughs, he decided to risk one year of not being allowed to cultivate with divine wonderian foundation caeli for a challenge. But if he won, he would be able to progress and gain ten more years of cultivation time.0

The most rational thing to do would have been to wait nine years before making the next challenge, but he wasn't one...0