The Cold Blooded One

Credfield, a royal vampire prince, and at the same time the guardian of the barrier that separates the human world from vampire world. The responsibilities as guardian began to weigh on his head. Suffocated from all sort of this. He escaped to the human world and ended up befriending the two mortals, Frank and Cally. As the story goes on. He find himself fallen to the young maiden. And Cally on the other hand felt the same and found out that she was actually a witch.
Marco, the rare halfblood grabbed the advantage of the disappearance of the prince. And starts his quest in finding the keys to destroy the barrier
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Thousand years ago, at the time when there was still no barrier between the human and the vampire world. Chaos was out of the air,dreadful creatures hunt humans. Because of this the vampire royals and the ELDERS(secret organization that uses witchcraft) decided to make a barrier between two races.The ELDERS suggest that the royals should have an halfblood offspring that is a rare type,the one who has pureblooded parents but became halfblood through a human sacrifice in which should a kind one. At the time of this agreement,darknest lingering around,the enemy had found out about this and also tries to have rare halfblood also through sacrifice but this time it was the opposite, they captured an evil person for it to be sacrifice. Then later the the two halfblood grew up into young man,the good which has the power of frost and the guardian of the barrier and the other which has the power of fire. Their journey begins as they cross the barrier,the other to escape from responsibilities and the other for the quest of finding the key to break the barrier