Looks good (and evil, hehe). The level of contrast in the piece kind of makes the details in the 'gawd' hard to see, though. Is that selout on the top of the devil's head? If so, I'm not really sure it is needed on this, as this has an opaque backround which the outline can be purpose drawn for. Also, you could use the two lightest colours on the devil as anti-aliasing on the gawd's edges.