The Alphabet of the Magi was invented by Theophrastus Bombastus von Hohenheim (also known as Paracelsus) in the 16th century. He used it to engrave the names of angels on talismans which he claimed could treat illnesses and provide protection. It was probably influenced by the various other magical alphabets that were around at the time and also by the Hebrew script.
Information about the Alphabet of the Magi
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