Part 1 of theBen 10: Dark Apocalypse Series. A year after The Summer Vacation that changed Ben Tennyson's life, A disaster befell the world. An explosion shook the planet, and cities across all countries around the globe became simultaneously sanctuaries and Prisons, each one becoming vastly different societies due to their immense isolation from each other. Bellwood City due to the Cataclysmic event called "The Fissure" that took place during the catastrophe that razed the planet, was split in half, with both halves being separated by miles. Now, 2 years after Ben found the Omnitrix, he lives alone in the City of Sin, a city ruled by gangs, mercenaries, enhanced super powered humans, cybernetics, and a cyberpunk hell on Earth. Having lost all hope in the aspirations of a kid hero, Ben lives every day depressed and dying a little inside each day.. until a chance encounter forces him to Go Alien- one last time.

The Fairy, The Demon, The Star, The Vampire, The Time Traveler, The Killer, The Alien Hero. These 7 people are known in one way or another, as heroes of the Earth from which they hail. Each Earth is different. Some hail from a magical world filled with demons, dragons and monsters. Others come from a world constantly changing due to Temporal Threats. Two come from a nearly identical Earths, and one hails from a world where Japan still relies on lords and swords. Ben has no memory of who he is or where he came from. For as long as he could remember he has lived in Sato City Japan, attending Mizuki High School with his friends. However, things change when one of the students in his class, Hanzo, appears in front of him during an apparent 'date' with the school beauty Erice Tsukiyomi. Hanzo kills Ben immediately, only for Ben to awaken the next day in his own bed barely clinging to life as a strange device activates on his wrist. The Radiant Wars have begun. Now Ben has to fight to kill and rediscover his incredible powers, for there can only be one left when the blood and dust settles.