Mashadar
The silvery killing mist that haunts Shadar Logoth, grown from the hatred of the city that stood there before it, bound inside the walls and hunting Shadowspawn above all.
Mashadar is a malicious but unintelligent thing that lurks in the depths of Shadar Logoth. It took shape during the Trolloc Wars out of the hatred and suspicion of the people of the city, then called Aridhol, and in time it grew until it consumed the city and everyone in it. It shows itself as a silvery mist that wanders the streets by night and sinks into the ground by day. Its extent is unclear: it is not everywhere at once, yet it is vast as Shadar Logoth and can appear in many places at the same time. The lightest touch of it kills, slowly and in agony. It attacks anything living, though its prey of choice is Shadowspawn, which have avoided the city ever since. How much mind it has is uncertain, since it picks its targets with precision and yet has failed to notice a man standing feet from one of its tendrils. It cannot pass beyond the city walls.
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