a killing machine in a tournament that takes place in a city called nevara.a persona that periodically takea killing machine in a tournament that takes place in a city called nevara.a persona that periodically takes over black aces body.cold,ruthless and cruel.the several slats on black aces chassis spurt out a thick black gloop that coats his torso, arms,feet,and just most of his robot body.the black gloop can form mouths and eyes to any point of the body that is coated in the substance.