Armesiel: An infernal duke, who has a total of one thousand three hundred and twenty ministering spirits to attend his needs. Armesiel himself serves the wandering prince Emoniel. According to the Ars Theurgia, Armesiel is free to manifest himself during the hours of the day as well as the night.
He is drawn to woodlands. Armenadiel is also named in a list of demons from Johannes Trithemius's Steganographia, written around 1499.
SOURCE:
The Dictionary of Demons written by Michelle Belanger