Harry Potter and the Magic of the Beasts

What if Harry had a twin and was named a squib after the attack on Halloween, What if Harry's sister was the Girl-Who-Lived, What if Harry did have magic, a magic so powerful and unique even the Ministry didn't know about it...He is Harry Potter, Lord of all Creatures. WCWL! PowerfulHarry! TwinHarry! DumbledoreBashing! RonBashing! SlightPotterBashing!