Aamon is one of the four Demon Kings. He is the king of Dùn.
Aamon is a figure wearing white robes, a hood on its head and its face hidden behind a black mask with a beak, similar to those worn by medieval sawbones. The evil radiating from the figure was alomst physical. There are no eyes behind the mask, and Max felt like he was looking into an endless gap.
Aamon first appears as Astaroth's diplomat. He is called by Vilak, who wished a treaty with the forces of evil. He is described by Max McDaniels as " a figure wearing white robes, a hood on its head and its face was hidden behind a black mask with a beak, similar to those worn by medieval sawbones. The evil radiating from the figure was alomst physical. There were no eyes behind the mask and Max felt like he was looking into an endless gap.
Aamon agrees with the treaty, but has two requirements. The first being that Rowan will swear allegiance to Astaroth, and the second that Rowan will hand over the book of Thoth.
Vilak agreed to the first offer, but was unwilling to secure the second, ruining his plans. he tried to kill Aamon, who said the book was in their reach even now. Realizing this, Max tried to stop Mr. Sikes from stealing the book, but even thought he came in time, Sikes stabbed David and ran with Connor, who he now possessed. Vilak tried to slice Aamon in half, but he simply disintegrated, ending Vilaks hopes for a treaty with both Astaroth and the witches, who sent down a curse on Rowan.
When Prusias reads the requirements for Rowan, he says the curse of the witches is broken, and they have their own and in the kingdom of Aamon, indicating his empire stretched through territories of Russia (border with Prusias), China and north India (the realm of the witches) and possibly lands like Persia, Turkey and Saudi Arabia.
Later, he is mentioned to hate Prusias; that the two are at the blink of a war, and that Aamon signed a treaty with Vyndra to kill Prusias. After Max refuses to assasinate Aamon on Prusias's orders he is thrown into his pits. Later it is revealed that Rowan agents were sent to make the war more quick and brutal, and Astaroth says he won't stop it. Aamon is then seen on Walpurgisnacht, but he can escape before Prusias kills him.