NoWoRRyMaN

[His Strength is Unmatched And His Powers Unparalleled; His Existence Unequaled And He is... Unrivaled.] 
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After getting stabbed to death by his girlfriend, Zane was reincarnated as Zeus— a half-demon, half-vampire. When he was one year old, he lost his parents, his castle, everything— because of the Gods and Heavens. Surviving his cruel fate, he lived among humans as one of them by hiding his true identity. 

Even though his life was nothing but suffering, he considered it as perfect; he had friends, a seemingly faithful lover, and the power to protect the world from any evil. With his limitless power, he could easily dominate the world, and neither Heaven nor Hell could stop his growth, but he chose the righteous path. However, for unknown reasons, he was betrayed and sealed to a deep slumber.

After being sealed for eternity, Zeus woke up in a mysterious dungeon to find the person who broke his seal— a half-angel beauty at death's door.

The day of his awakening, he swore that he will get his revenge and reclaim what he has lost—that is everything. Join this lonely demon on his Odyssey and watch him become the one and only— Unrivaled Demon; where no existence can equal him and no entity can defy him.
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Note:- As the title of the novel says, the MC is extremely OP and knowledgeable from the start. He will have some trust issues because of what happened in the past, but no useless drama.

The Story development is slow but the story is not slow-paced. I believe character development, and building the plot is important than writing things that don't make sense. 

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The characters' names and relations in the novel are based on greek, Norse, Egyptian, and other mythologies, but they are not accurate as they should be. I have made some changes as per my choices, and this is just fiction.

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Disclaimer- I don't own the cover.

Unrivaled Demon's Odyssey

"I need your permission to do it."

After a brief silence and pondering over it,  Ajax turned around and uttered, "Please do it."

"Uhh... Actually, I need your help, so you will have to turn around and watch me."

Ajax reluctantly turned around and questioned, "What?"

"Hold his magic circle and slowly move it from her navel to her neck, so I can suck the poison from her mouth."

Zeus handed the magic circle to Ajax, and he did as Zeus instructed him to.

When the magic circle reached Helene's neck, Zeus pressed his lips against Helene's lips and started sucking the poison.

Ajax couldn't bear to see that and closed his eyes. After about a minute, Ajax opened his eyes when he heard a barfing sound.

Ajax saw Zeus throwing up poison from his mouth and wiping his lips with his hand.

"Is it done? Is Helene safe now?" Ajax asked with a tensed look on his face.

"Yes, she should be waking up anytime soon."

King's Gratitude