The Land of Nightmares and Fire

The main character, Iris Hall, travels to another realm as she sleeps. She enters the domain thinking it's nothing but a dream as she travels the realm before being brought to King Demitri as an invader. She becomes his prisoner but soon vanishes, seeing as she has awoken. But when night falls, she is at his mercy. Will this tyrant of a king fall for her human charms, or will he burn her to ash?