Iron Fortress

The Iron Fortress was a citadel in the Dragon Kingdom from which the Iron Queen and Iron King sought to dominate all of the Dragon Kingdom. It included an armory housing many captured weapons, including the Fan of Fen Xing. The evil duo were forced from this location by Sonic the Hedgehog, Miles "Tails" Prower, and their nemesis Monkey Khan after they infiltrated the fortress and used the fan to defeat the two. It is unknown if the two ever returned to the Iron Fortress at any time between their defeat and the Iron Dominion's possession of New Megaopolis. (Archie Sonic the Hedgehog: #60, #200)