A term used to denote any stage in a fighting game that is favored above other stages as the primary arena. It is derived from the stage, 'Hyrule Castle', in SSBM being very popular.
Tools, "Please pick hyrule,"
Junction, "What? Thats not even in this game"
Tools, "Im sorry -- parking garage, all the other stages pretty much suck in this game."
Junction, "Oh, true."