| abstract | - Dimensional gateways are magical gateways between worlds similar to the Dark Portal. However, where the Dark Portal was securely fixed as a doorway between two temporal worlds — Azeroth and Draenor — with a single terminus on both planets, dimensional gateways are less stable and are tunnels between the worlds, as opposed to mere doorways.[citation needed] This feature is part of what caused Draenor's explosion. There were four dimensional gateways, left over from Ner'zhul's experiments, outside of Magtheridon's Black Temple. They brought demons in from the Twisting Nether which Magtheridon brought under his control. Illidan Stormrage shut down the gateways, which cut off the flow of demons and ended the extra stresses on the remnants of the planet. It is likely that Kel'Thuzad opened such a gateway, or a variation thereof, in Dalaran to summon Archimonde. The gateway used to summon Hakkar the Houndmaster and the other demons in the War of the Ancients was closer to the Dark Portal than a dimensional gateway — the terminus of that portal was located on Legion-controlled world.
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