A thousands of years ago when the world that served as the Demons' home and the Heavens were the Angel's domain are still united and hell was not yet known,  Lucifer the most trusted Angel of God who He says the most wisest and skillful Angel in His kingdom defied Him and questioned His leadership. God knew Lucifer's friendship with the demons will only give him flaws but He didnt stopped His angel yet let him do whatever he wants.

Lucifer with his frequent visits to the world saw how life the Demons were living, pitied and sided with them. The world was dark unlike the blinding brightness in Heaven, it was cold unlike the overwhelming warmth that energizes him when he's in Heaven, it was dead unlike the Heaven thats overflowing of life. The world was nothing compared to Heaven, he thought and asked himself why God let the Demons live in such misery.

Yes, the demons can be dangerous sometimes, cunning and mischievous, but Lucifer found out that its for the sole reason that they want God to notice them and threw them some attention which God never did even once.

Lucifer was able to ask God only once and he was thrown out of Heaven that instance. God took his halo and ripped his wings off from his back and threw him to the eternal abyss of nothingness but blazing fire. Not long, Lucifer was joined by his friends from the world and that moment, he knew God took away all the hopes that the Demons have without even trying to hear them out. And he hated Him for that.

Being an Angel, though a damned one, gave him an advantage that the Demons doesnt have and that's being able to leave the Abyss of Fire once in a century. Lucifer decided to visit the world. He found out that humans who God created in his own replica was now inhabiting the world that once belonged to his friends. It wasnt dark anymore, it wasnt cold and it wasnt dead. God gave those useless men the sun, the sky and the stars that illuminates the world and provided human warmth. God gave everything to the humans that He never did to Demons. Not once that Lucifer saw God gave anything for the Demons and it only fueled his anger more. He was so mad that he started killing every human being who came across his path.

God found out about Lucifer slaughtering his precious creation, so He sent some of his Angels to stop Lucifer but no one came back. It was the God decided to send His son on earth to save the humans form Lucifer's wrath and threw him back to the Abyss. Lucifer then swore to come back and take everything from God.

With his power, Lucifer led the Demons out of the Abyss of Fire and brought them to the world that soon they found out that was now being called as Earth and tell them to take what's rightfully theirs. It has became a bloodbath with human's inability to protect themselves from the Demons who is far stronger than them. Lucifer laughed at God and mocked Him for creating humans that was as shallow as an empty shell.

How can God create a human from his own image yet not even strong enough to protect himself, was God afraid that humans will betray Him like he did? Lucifer had thought. He and his comrades continued their onslaught until they have covered and spread out across the whole land marking each as their territory. 

Humans had became afraid of the unknown since then. Lucifer ruled over the Earth while God remained seated on His thrown in Heaven. The Angels still fighting to protect the rest of humanity.

But one day it happened, Lucifer lost his jurisdiction over the Demons and the Demons defied him and war against themselves have sprung. Demons fought against each other on who will be their next ruler and that's when God ordered all his Angels to move and it caught the Demons off guard. Divided, the Demons fell and was again thrown back to the Abyss of Fire which the humans call now as Hell.

It is said that Lucifer had fallen in love thats why he stopped fighting for their cause and thats why the Demons dethroned him as their ruler because he has become soft towards the humans. It is also said that the woman refused to accept Lucifer's feeling because she was already married and already have a kid. He threaten her to kill her family and it left the woman to accept Lucifer, with a heavy heart the woman left her family but in order for Lucifer to take the woman to the Abyss of Fire, she needs to let go of her humanity and embrace the Demon Lucifer had turned her into a vampire so she will no longer go back to her family with the fear that she might only drink their blood and kill them .  It is also said that years after she was taken Lucifer took her to Earth for a walk but she went to her family and accidentally turned her family like her. It was then how the Vampire clan has started. Lucifer hates being betrayed and lied to, so she killed the woman.

It is also said that when Lucifer again walked the Earth's land, he again fell in love with another woman, he turned her into a werewolf that unlike the Vampire doesnt need human blood but needs human flesh to survive. Just like the first woman, she also has a family and it scared her that if she comes back to her family she'll only eat them. But before the night that Lucifer took her to his kingdom, the woman purposely bit her son, leaving a mark for her to know him once she paid Earth a visit that Lucifer promised her but that promise never happened. And thats how the Werewolves clan started.

There were a lot of Demons, monsters and creatures roaming the Earth's land. It was said that when the angels kicked the demons back to Hell, some stayed and some chose to live a peaceful life with humans that they eventually became their mate and therefore became its way for their various clan to emerge and prosper throughout the years. Some of them wants a peaceful life and some are just not contented with the way their life is going and kept wanting more and more.. It is said that God sent her Son again in the flesh to save the humans from the impending onslaught but only to find out that mostly the evil ones are the humans so God's son focused on saving the humans from themselves and had the angels to protect the humans instead. One of the angel's fell in love with a human and they started a new evangelical being where God and His son decided to take one worthy savior that humans can count on. It took them years and sometimes even centuries to pick who among those evangelical beings will be the chosen one who will save the earth from those demons that's threatening the humanity. Theyre called The Slayer. 

A thousand years later, Lucifer managed to escape from hell incorporeally. He found the family of the woman he turned as a vampire and also found out that the man has a new wife. Still mad about the woman betraying him, he mystically impregnated the man's new wife. Unknowingly to all of them, even before Lucifer was thrown in hell, there was already a legend about the Dark Angel; that the son of the Fallen Angel, a half angel with the curse of a monster, will cause destruction upon earth after killing the Slayer. But no such Dark Angel existed.

Not till after another thousand years...