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An Auditor embodied in a human, well, body. When the Auditors attempted to re-create the human body, they found that it would just lie there, decomposing, unless one of them entered the body and steered it around.

Myria's physical form is based on the famous Leonard of Quirm portrait of Woman Holding Ferret, but with all the organic imperfections (such as asymmetry) removed. The result is a rather colourless copy of a beautiful woman.

She employed Time's son, Jeremy Clockson, to build the perfect clock, in order to stop time. She went insane, as she further experimented with the experience of being human (watching the opera, tasting food, etc...), and attempted surreptitiously to stop the clock from being completed.

Once time was stopped, she aided in Jeremy's escape, and also helped Susan and Lobsang in fighting the Auditors, who swarmed Discworld in corporeal form once time stopped.

Her name defines an important aspect of the Auditors: Myria stands for "myriad", a number once meaning "ten thousand" in Greek, but now means "very many"; LeJean is a pun for "legion", also meaning many, and can be connected to the demons exorcised by Jesus. The Auditors believed that the name of an object or a person ought to describe what it or he/she really is, and they believed that there is safety in numbers; an individual identity means death.

It was Myria who found out that chocolate could kill Auditors. She was renamed "Unity" by Susan (who nonetheless still thought she was more insane than a loft full of cuckoos). She killed herself by jumping into a huge vat of pure chocolate, and her swan dive was witnessed by Kaos and Death, one of the Four Horsemen of the Apocralypse.

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Death by Chocolate is a rather twee name (at least, it's witty the first time you come across it) for a very rich, glutionous and intense chocolate sponge cake, saturated in chocolate liquer, filled with chocolate icing and topped with - guess what? rich chocolate sauce and decorated with chocolate shavings. As well as describing the mode of Myria's death, it has also been sent up in Mort, where * Ysabell's favourite dessert is named as Genocide by Chocolate.