Dragon Phoenix Academy, one of the Four Great Ancient Academies.

This was an ancient academy that had existed for nearly 100 thousand years. Their aim was to train powerful human cultivators to protect and maintain the peace of the dominion. One ought to know that the dominion was mainly a territory of humans. Of course, it also contained many powerful races. The moment humans showed weakness, they would definitely suffer the cleansing of the other races, losing the places they could live, and might even suffer extinction. 

The Four Great Ancient Academies shouldered the burden of nurturing generation after generation of powerful humans. They maintained absolute neutrality and would not be involved in the struggles between any organizations...