What is the name of the group that Ghaur's race is in a war with?
Ghaur:  Created by Peter B. Gillis and Sal Buscema, he first appeared in "Eternals" vol. Eternals (comics):  The original instigators of this process, the alien Celestials, intended the Eternals to be the defenders of Earth, which leads to the inevitability of war against their destructive counterparts, the Deviants.
the Deviants