Sadi Powell is the Ancient Runes professor, and Head of Crotalus House at Sonora Academy.
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She celebrated her 50th birthday in the last school year.

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Family: Jera and Toma Valson

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Sadi's mother was from a particularly strict elitist pureblood family, but she has always fully supported her daughter’s chosen career. Sadi’s father (also pureblood) died when she was only six years old, from a hereditary blood disease that also killed her 2 older brothers fairly recently.

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The Powells are originally from Nevada, but Sadi now lives in Colorado round the mountain base, where there are still colonies of practising druids. Sadi has been fascinated by runes ever since she was a girl, and has devoted most of her life to field research, travelling all over central and south America, and parts of Europe studying runes. She has published one book on her research 'From Fehu to Dagaz: Runes according to the Elder Futhark'.
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On her travels Sadi met a Romanian called Toma Valson, and they have now been happily married for 14 years. They have a ten year old daughter called Jera (named after the rune for success). Toma Valson is also a pureblood; Sadi is his second wife - his first marriage ended when his wife left him for another man. Now he educates Jera at home, and also enjoys working with the druids and writing books on the magical properties of natural substances.