The listing, Lord of the Abyss by Nalini Singh has ended.
PB GC Royal House of Shadows series
Once upon a time…the Blood Sorcerer vanquished the kingdom of Elden. To save their children, the queen scattered them to safety and the king filled them with vengeance. Only a magical timepiece connects the four royal heirs…and time is running out.… — As the dark Lord who condemns souls to damnation in the Abyss, Micah is nothing but a feared monster wrapped in impenetrable black armor. He has no idea he is the last heir of Elden, its last hope. Only one woman knows -- the daughter of his enemy.
Liliana is nothing like her father, the Blood Sorcerer who'd cursed Micah. She sees past Micah's armor to the prince inside. A prince whose sinful touch she craves. But first she has to brave his dark, dangerous lair and help him remember.
Because they only have till midnight to save Elden.