User blog comment:Xilinoc/Ch. 565 (Mangapanda is run by lazy barnacles)/@comment-1268838-20140122195654/@comment-8669536-20140122200459

Maybe James was the essence of the power granted to Mask by Yhwach, an embodiment of "The Superstar" and a part of Yhwach's soul.

As for Yhwach, I think he's human... somehow. But hardly any normal human. Some strange kind of mutation?