Blizzard helped with the animation in this episode.
The actual CEO and Founder of Blizzard Entertainment (World Of Warcraft), Michael Morhaime is featured in this episode. Morhaime also provided the voice for his character.
Trey Parker stated in an interview that he was so dissatisfied with the episode that he wanted to cancel it before the premiere. Ironically, this turned out to be one of the most popular episodes they have ever made.
Routinely voted as one of the top three episodes of South Park in various online fan polls.
Slayer of the Lifeless is a weapon in the game World of Warcraft that was added as an homage to this episode. The sword can be looted from the boss Gothik the Harvester in the 10 man version of the Naxxramas raid.