"For several years, I worked for The Ace as a Diamond," Valeroy said, before swallowing again. "There was a special mission two years ago. The best were selected. You see, I had no problem with blood, but...what happened there was...It was different..." 'Criminal City' lies at the heart of the Empire. And in this city, Valeroy Blane is suffering from strange dreams and nightmares. His quest for answers leads him to not only reopen old wounds and uncover a dangerous plot that could kill millions, but also come to meet AU: the notorious assassin of the Empire who is on his own path of vengeance.