President, 30 legions
Rank and legion count as the 1904 edition gives them. The legions come from the phrase that closes almost every entry; the rank comes from the book's own appendix, which classifies all seventy-two and states the metal each rank's seal is to be made in — mercury for this one. The entries use rank words descriptively as well — Eligos appears 'in the form of a goodly Knight' and Barbatos comes 'with four noble Kings' — so a rank harvested from the prose would invent titles the book does not give. Only the appendix classifies.
Sources (1)
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Lemegeton
, The Goetia: The Lesser Key of Solomon the King
— The Goetia, spirit 53
“The Fifty-third Spirit is Camio, or Caim. He is a Great President, and appeareth in the Form of the Bird called a Thrush at first, but afterwards he putteth on the Shape of a Man carrying in his Hand a Sharp Sword. He seemeth to answer in Burning Ashes, or in Coals of Fire. He is a Good Disputer. His Office is to give unto Men the Understanding of all Birds, Lowing of Bullocks, Barking of Dogs, and other Creatures; and also of the Voice of the Waters. He giveth True Answers of Things to Come. He was of the Order of Angels, but now ruleth over 30 Legions of Spirits Infernal. His Seal is...”
Verbatim, cut from the 1904 text by script/extract_goetia.rb. Mathers' spelling and capitalisation are left exactly as printed.