Allegra, known by her aliases "Brenna Johnson", "Elle Williams", & many more is a powerful witch who knows everything about the wizarding and the human world. She is wise, living for many centuries and has experienced lots of battles in her life, mentally & physically. She is a mentor and godmother to Dean Winchester, and her "mortal" job is a therapist. She also was a guide to Audrey's grandfather, Quintel Johnson.
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