Long ago, a year after the imprisonment of Discord, a being of immense and terrible power appeared in Equestria. Locked behind the gates of Tartarus, the creature is thought to be forever trapped. Until now. Though it has taken more than a few centuries, he has finally managed to climb the dark pits of Tartarus, and escape the hellish prison. His name, is Ulquiorra.

AN: Tags will be added along the way, expect lots of explosions. First ever fic, mercy...
Special thanks to ponyclaws, who helped edit this fic, of which I am immeasurably grateful for.