Son of the Sleeping Dragon

After Harry vanquished Voldemort, he vanished under mysterious circumstances. Ten years later, in the Sorting, Harry returns, but now, he's changed: now, he is Draco Dormiens Nunquam Titilandus incarnate! And…hang on: why is he calling Hogwarts his Mother? Grey OP Harry/Fawkes/Basilisk; Good Dumbledore