Legends of the Mythical Animals

The two young ladies who have the power of God one is savior and one is destroyer that make many people from another empires want them to be their queen in those empire it has another two empires who has handsome kings that those two empires always have wars with each other and never win or lost to each other too. After that, they got two young ladies in their empire. So which empire win? And who get savior power and who get destroy power?