The Immortal Emperor and the Demon Lord Are Actually Brothers?

It is said that those who collect wages for others should not be allowed to freeze to death in the wind and snow. The monks from outside the area came to attack. In order to protect this world, the Su family used all the strength of the family to fight against it, and the result was a tragic victory. Just as they were preparing to recuperate and recuperate, the remaining Nine Immortal Sects who had no contribution to their efforts surrounded these defeated soldiers...