Crowning Music of Awesome: According to many professional and amateur critics, pretty much all of there, but This Godless Endeavor is Nevermore taking their music to the absolute peak. As mentioned in the Main, it topped "Album of the Year" and "Album of the Decade" lists. Chances are it'll go down as one of the all time classics.
Serial Escalation: A few examples already marked on this page, but Jeff Loomis' technical skill as a guitarist can only be described as this. Also, the exponential increase in heaviness and aggression from Dead Heart In A Dead World to This Godless Endeavor is this.