
Demon Valefor is described in the Goetia and in the Pseudomonarchia Daemonum. Below you will find useful information about Valefor and it will help you to summon this demon.
Demon Valefor: Pseudomonarchia Daemonum
Valefar is a duke and he comes in the shape of a lion with a head of a thief. This spirit is very familiar and nice to them to whom he makes himself known to.
But this continues until Valefar has brought them to the gallows (a construction for hanging criminals). Valefar rules 10 legions.
Source: Johann Weyer, Pseudomonarchia Daemonum
Demon Valefor: Daemonolatry Goetia

According to S. Connolly, Valefor teaches loyalty and the art of manipulation. Valefor can show you how to behave in order to get what you want.
Demon Valefor: Goetia
The 6th spirit is Valefor and he is ranked as a Duke. He is a good Familiar, but will tempt the practitioner to steal. Valefor rules 10 legions of spirits.
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