Vampire's Fall: Origins.

I have no rights to the original story of this fanfic and as for the story, you'll just have to read and see. Also, check out the game.
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The Heiress King finally gave in to death. With no one to take his throne, the kingdom is left in shackles. Power is sought out as everyone tries to protect their self in every way possible. But, will it be to any avail?

Far away in a nameless village, a few individuals who were managing to survive were also seeking the protection of their people in every way possible. For that very reason, a recruitment was performed and every able person was made to train for the sake of their small village.

Among them was a boy named Sina, an orphan living with his little sister. Everything happened so suddenly and they were both forced into separation.

However, while all this happened evil didn't cease to continue rising. With the king gone the kingdom fell apart and most people began to do whatever they wanted.

Anger, hatred, sorrow envy, and many more that had been concealed for so long could finally be unleashed and there was just no stopping it. Darkness was beckoning and calamity was soon to pass.
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While the Kingdom is left in shackles a force known as the Witch Master quickly rose and overturned the entire kingdom.

Many fell to his immense power and destruction including a boy who lived in the far outskirts of their small kingdom.

Sina ventures on a mission to find the Witch Master and question him about the strange powers he had endowed him with and stop his reign of madness.

Along his journey, he realizes that the Witch Master isn't his only enemy and his journey is still yet to end.