Lord Demon would have probably had a fit if he knew that he was using his dark energy so easily around strangers. Luckily, the man couldn't ever bother him ever again with whatever he did. He, himself, had power, but he didn't abuse it. Even if power had been the only thing he'd known growing up before Feng Wu.

Those eyes watch Runyu as he moves over to him. The dark energy wasn't his only ability, speed was as well, but there was no point in that one. He didn't need to get away from anyone, much less Runyu.

"I've had complete control over it since I was young. It goes rather well with my weapon."

Something that was always on him and yet never visible.