Just like pages 2 & 3, the PSD file of this nearly killed both SAI and Photoshop. Painting in the monster though was exceptionally satisfying. I think it might be time for these two to make a hasty retreat!
In related news, since Those of No Class was featured on the DrunkDuck website, they reviewed the comic in their latest podcast. You can listen to the review here: http://podcast.drunkduck.com/podcast/episode-17-way-more-information-than-you-need-to/