Harry Potter and the Power He Knows Not

Harry Potter is destined to defeat Voldemort with "the power he knows not". In his fourth year at Hogwarts, he reaches the age of 14, a special number to his long-gone ancestors. Unbeknownst to him, he is the last druid, the race where magic originates, with their history erased by the Romans. Powerful!Harry, Harmony, mostly rewritten history of the magical world.