Harry Potter: Empiness of Despair

Bleach/Harry Potter Crossover. Harry-is-Ulquiorra fanfic. Centuries have passed in Hueco Mundo, yet Ulquiorra remembers his life as a wizard vividly. Saving his godfather from the Veil, after his defeat at the hands of Ichigo, his Chain of Fate calls him back. An ancient ritual done by the Order. But, Harry is not the...