Manga The Kill Lock: The Artisan Wraith

The Kill Lock unified four criminals in a quest to escape their seemingly inevitable, linked deaths. They managed to escape destruction by merging their consciousnesses, and now one of the smartest-and most malicious-bots in the universe has an unbreakable body and a planet at his command. Homeworld won''t allow it, and so two of the deadliest assassins in the universe are tasked to kill the Artisan Wraith.