Dark Below

The Dark Below is a place inhabited by demons, devils and infernal creatures, from where some sorcerers take their power directly and sometimes have a patron beast to foster their magic.

Trivia

 * In World of Warcraft, there is an item called The Dark Below (item), and Ozumat's title is "Fiend of the Dark Below".
 * On August 13th, 2013, a trademark filing was found for "The Dark Below," and on August 14th the trademark was also filed in Europe. However, it was later determined to likely be a fake, and then it was confirmed that the trademark was never registered by Blizzard Entertainment at BlizzCon 2013.
 * In 2014, The Dark Below was announced to be the first expansion of Destiny, a game developed by Bungie and published by Activision Blizzard.