Mask of Mischief/Origin

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Origin
The Mask of Mischief is based off of Nyarlathoteps' personalities. THere are 20 personalities, and Mask of Mischief seems to be based off of the 'The Thing in the Yellow Mask'. It is descried as a creature clothed in yellow silk. This avatar is only known to manifest in the city of 'Ygiroth in the Dreamlands. Some claim that it is the lone occupant of the remote, unnamed monastery on the Plateau of Leng