A Great Duke of the Goetia, appearing as a 'hurtful angel' riding an infernal dragon, a viper in his right hand — and the possessor of the tradition's most specific occupational hazard: his breath. Weyer and the Lesser Key agree the operator 'must not suffer him to come too nigh, lest he do him damage by his noisome breath,' and prescribe the defense exactly: hold a silver magical ring before the face.
He answers truly of things past, present, and to come, discovers all secrets, and teaches the liberal sciences; he will also, the texts note, discourse willingly about the fall of the angels and his own innocence in it — a self-serving version the operator is advised to hear skeptically.
The name is the demonization of Astarte — Ishtar, the great goddess of the ancient Near East — making Astaroth the collection's starkest example of a goddess filed under Hell. The archive notes the transformation without endorsing either filing.