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The Sigillum Dei is a magical diagram, composed of two circles, a pentagram, two heptagons, and one heptagram, and is labeled with the name of God and his angels. It was an amulet with the magical function that, according to one of the oldest sources , allowed the initiated magician to have power over all creatures except Archangels, but usually only reserved for those who can achieve the blessed vision of God and angels.