Harry Potter & the Four Houses

When Harry Potter turns thirteen, Sirius sends him on his way to Hogwarts. At the end of his first year, his friends are sorted into different houses. Harry will need help from members of all four houses to fight a darker, more horrific Voldemort. But there are truths about the infamous Dark Lord that not even Dumbledore has discovered. AU. Older cast, darker magic, flawed people.