loving my unknown devil

Swords clashed ,war raged between two kingdoms,the heavens shook of the battle.This all started when a princess was born to the king and queen of Gastrovia ,and a prince born to the king and queen of Volcania ,two royals who held the power of fire and air ,Cassia and Lucan born on the same day.Both kingdoms ruled hand in hand until one night,when both had just turned two ,news broke into the kingdoms that the first born prince of Gastrovia was dead in trying to save the little princess.Cassia held the mark of aira which was said in the ancient books that whoever held that mark was the most powerful being and was said to be conqueror of the world.A piece of the sent assassin's cape was found on the floor with the mark of volcania ,the king also sent an assassin to go kill the born prince of Volcania.The king and queen of Volcania sent their son to the devil to bring him back from the dead.As an offering , their son was to forever be entitled to the devil and was never to be known.Both sides broke into war with Cassia and Lucan growing up as enemies though they had never met on battlefield. They were trained their whole life to face each other. The time came both were raged with anger and fought and fought till Gastrovia and Volcania were no more.This event happened in different multiverses and world and has continued till this day. I suddenly woke up....