Personal Demon, a fantasy novel published in 2008, is the eighth book in the Women of the Otherworld series written by Canadian author Kelley Armstrong.

Hope, bound by a debt to the Cortez family, reluctantly agrees, torn between her desire for chaos and the promise of a hefty payday.

She develops a dangerous attraction to Jaz, a charismatic vampire member of the Children of the Storm, finding a kindred spirit in his defiance and thirst for freedom.

Karl, after witnessing the chaos and brutality of the Cortez family, decides to aid the rebels, believing they are victims of a larger power struggle.

She realizes that Benicio is using their desperation as leverage in a power struggle with a rival cabal, the Obsidian Order, who are also manipulating events from the shadows.

Jaz, disillusioned by the discovery of his leader's true motives, joins them, seeking to protect his people from the chaos they are being forced into.

The demon continues, Hope is forced to make a pivotal choice between her allegiance to the Cortez family and her growing loyalty to the rebels and Jaz.

The fate of the supernatural world hangs in the balance, and Hope's decision will determine whether it will be consumed by chaos or find a path towards harmony.