Ben 10, Multiverse Academy: Book 1, Aliens In Crazy Land

(A Ben 10 fan fic) There is a place....where all magic and energy converges, and all life is considered sacred...
It's just an ordinary day for Ben Tennyson wielder of he most powerful device in the universe the Omnitrix. In reality, he hasn't used the Omnitrix in months. Vilgax is gone, the world is at peace, and even Gwen and Kevin haven't had much to do lately. That's when things get crazy again. Ben is suddenly attacked during a fireworks show by a strange girl who seems to have an over fondness for skull design clothing. After the battle Ben is handed a strange letter, accepting him into a strange school. A school that lurks in the dimension between all dimensions......a world known simply as The World Of Heroes.