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1 Quest in what, 4 years?
It was never really a quest that was regularly brought up about unfinished quest lines either, it was just a seemingly random "here's MM2".
Most of the questions are about the Troll, Menaphos/Sophanem, Myreque, Zaros, Elf and Ogre story lines and their unfinished areas that are just giant black squares or blocked off areas (I know empty spaces have gotten some attention recently, but for the most part questions were involving them).