What Defines A True Demon In Fantasy Novels And Their Powers?

The day Ruben Luisetti (Overlord Vampire of New York City and heir apparent to the Vampire King throne) first saw the feisty, golden haired beauty with the large luminous emerald green eyes, he had a ‘feeling’ He was shocked, he hadn't had one of those for many years and this one was strong attraction. He became intrigued, when during his investigations into some underworld murders, he kept bumping into her. This 'feeling' should have worn off, it didn't. In fact it just got even stronger, as a deep desire to possess this creature crept up on him. When he saw that she was clearly being enslaved and controlled, he felt obliged to save her and free her from her bonds. And able to be with him! But what is she? He thought she was perhaps Fae…boy, was he wrong and shocked to discover she was a Demon! . Katarina is a soldier demon, owned by Demon Lord Basille. Lent out to the human Scott McGowen as part of a blood pact contract to make him more powerful and rich while at the same time collect the souls of two hundred mortals for her Master to bolster his ranks in the Demon Realm. Until Ruben Luisetti steps into her life and shows her that what she thinks is her 'normal' in life, doesn't have to be… Well used to being merely a tool Katarina finds herself strangely entranced by the delectably handsome and powerful Vampire Lord and finds herself enthralled by Ruben's dominant, possessive yet gentle and caring nature for her, showing her a new way of being treated by someone…being treated with respect, care and…. Love?? . Can Ruben free his beloved from the Demon Contract? Can he free his beloved from Demon Lord Basille? To become entwined by Fate?

Being the only child to the Queen of Castle Grey, lost within the confines of mount Trenon, Kilvic is made to learn a number of things best suited to the heir to the Elzcrid bloodline at the hands of tutors handpicked by his mother. However, his fifteenth birthday sends him beyond the reaches of his mother’s domain. She has tasked him with the duty of learning more. Understanding greater things than she can teach him, greater things with which to cope with the curse upon his bloodline as she had been taught by her father and mother. Finding himself in a new kingdom, in an academy designed for only the most elite of mages, Kilvic is tasked to survive the new things he will come to learn, while struggling with the chaos of human association, as he comes to understand that while he may know a great deal about the world from the castle archives, it is a different thing to experience them. The association between people isn’t as easily deciphered as the books made them seem. As he struggles with the task of becoming a mage and a student along with surviving new friendships, failure threatens him at every turn and people prove pettier than the books would have him believe. Yet, despite all these, somewhere hidden in the shadows of the kingdom, a creature stirs, taking from the academy the one thing it values most. Kilvic must survive the trials of the academy, keep his friends, best his first enemy, and ensure that what stirs must not cause more damage than the kingdom can bear, lest the supremacy of Castle Grey be called into question in realms beyond that which most know. And all in time to attend the Winter Hall Fest.

Lately, buying succubi and incubi online had become all the rage. I could not afford one, so I picked one up from the side of the road instead. It turned out the quality of this incubus left a lot to be desired. Not only did he have a terrible temper, but he showed absolutely no interest in me. He would rather starve than "feed". Left with no other options, I snapped a photo of his incubus mark and sent it to the shop owner, asking how to handle this particular model. The shop owner completely lost it. "Oh my god, please tell me you're joking! That's not an incubus! That's a demon! The most dangerous kind!"

Esteria, the queen of the northern human kingdom, was finally getting married to the vampire prince of her dreams. What began as a treaty between their two kingdoms had blossomed into a courtship where she had truly fallen in love. Life was perfect until darkness cast its shadow over her happiness. Her beloved vampire betrayed her, delivering a fatal blow. With her last breath, she made a desperate deal with a Demon God. "You will have to become my mate to gain the power to exact your revenge," he whispered in her ear, sending a shock through her dying body. This Demon God was not only breathtakingly gorgeous and immensely powerful, but he was also dangerously seductive. Now, he was offering her a deal that promised both vengeance and peril. Esteria’s mind was a storm of grief and fury. Could she handle the Demon God’s insatiable desires and the deadly power that came with their pact? Or would she be consumed by the chaotic demands of this new, dark world? "I will kill both of them. I will draw their last breath with my sword and burn their bodies with my fury," she vowed, her determination as fierce as the hellfire she now wielded.

The Pure Souls, The Morally Greys, and The Villains. Serephine’s only task was to hunt the Pure Souls among the mortals and siphon their energy to expand the Demon Lord’s army. But when she mistakenly harvests the corrupt soul of a cursed, brooding Alpha named Chase, the consequences are catastrophic. Kicked out of her home—The Ninth Hell—Serephine is exiled to Chase’s pack with one mission: reverse her mistake or remain a mortal forever. Upon her arrival in the human world, Serephine is met with a brutal reality. Stripped of her powers and left in a broken mortal form, she begins to question everything she once knew. What was supposed to be a journey of atonement spiraled into a whirlwind romance, forcing the cursed Alpha and the fallen demon to cross boundaries that threaten to shatter them both. In a world of fated mates and accident curses, can a demon find redemption in the arms of the man she was sent to destroy?

Her soul was meant for magic--his born of fire. Aria Blackthrone, heir of the Moonveil Coven, was raised to believe demons were monsters- creatures of temptation and ruin. But on the night of her Awakening, fate brands her with an impossible mark: the bond of a mate. Her mate is no witch. No human. No wolf. He is Kael, a demon bound in chains, feared even in the underworld for his power. To love him is to betray her sisters. To reject him is to lose her soul. But as shadows gather and enemies rise, Aria discoves the greatest danger may not be Kael's darkness... but the fire he awakens in her own heart. A fobidden bond. A dangerous desire. A love strong enough to defy hell itself.