Halo and Hogwarts Book 1: Master Chief and the Philosopher's Stone
Status
Summary
Master Chief didn't just get trapped away from Earth, he was sent back in time. Now, the Dawn has drifted back to Earth, John and Cortana become Harry Potter's siblings, and The Flood is biding its time before its return. Can John, Harry and Cortana defeat both Voldemort and The Flood? Based on JK Rowling's Harry Potter and the Philosopher's Stone. Also a Maximum Ride crossover.