Several saints were fighting intensely above the Holy Zhi Palace. The Black Wind Condor descended to the battlefield where Douzhan was. Despite having yet to become a saint, the bird was only but a step away into the Saint Plane, so it was still able to help out nonetheless.
Seeing how the attacks were not effective and how Xia Qingyuan appeared right before them, Saint Xihua came to realize something—Xia Qingyuan would probably not give him any chance. He came to resent the state of affairs at the moment. Xia Qingyuan was the daughter of Emperor Xia. If even the Princess had already picked a side, there was no way he would have been able to go against Ye Futian.
The balance of the Sacred War had become skewed. When he chose to bail when he lost the battle back then, they were destined to be losers of the war.
He had initially intended to continue to train while staying hidden. But given how others insisted on forcing him to act, he saw no choice but to comply.