The title says most of it. This is based on a alternative dimension. Harry has a fraternal twin. Daimen. Daimen is thought to be the child of the prophecy. He is required all there parents attention. Harry is forced to learn and adapt quickly. At 4 he has an iq thats of the scale. Harry is given to a orphanage.
He uses and controls his magic to gain dominance quickly. Soon he stands at the top. What happens when Voldemort takes him in as the dark prince?

Dark, slytherin, international quidditch player Harry.