At BlizzCon 2011, the Diablo III Gameplay panel included this video from 3D Artist Kevin K. Griffith, Environment Artist Nate Bowden, Senior Artist Nick Eberle, and 3D Artist Richie Marella. In the video, they try to answer the question: "How hard is this game going to be in Nightmare difficulty (and above)?"
Check out their answers, accompanied by exclusive gameplay footage, right here:
What do you think of the harder difficulties, now that you've seen this video? Let us know in the comments below!