The Powerful Throne Prince, the next one to ascend the Royal throne, was only twenty eight at the time he was married to Princess Melanie Irakladius, the sole heiress of the Southern Empire. Marrying her Price Kieran not just became the Emperor of the human ruled World, but also got the most beautiful girl as his wife.
He was the most powerful Prince ruling the Northern Part of mother earth, with his alliance with Melanie he striked the right chords to eliminate all the barriers that could stop him from being the Powerful Emperor, he erased the competition on his path to get Melanie's hand and King Richard Irakladius had no objections to marry his one and only daughter to the most powerful man.