Arc Master is an Electroid from the planet Novia. Electroids have powers such as releasing very powerful lightning from his body and from the sky, flying/levitate, make forcefields, and super strength.
Arc Master looks like a robot with see through arms, head, and has green lightning which you can see in his arms and head. Lightning usually shoots out of his aura and has no lower body. When A-Nine transforms into him he seems to keep his voice.
- His lightning is powerful enough to defeat a raging Rath.
- He is more powerful than all of Ben's electrical aliens.