Isabella was the first of her kind. Created by the fallen angels and man, The Nephilim is what they called her sisters and brothers. They were all man eating/blood drinking creatures that tortured man kind. so much so that that the alien that the humans worshiped sent dreams and visions to a man name Noah about a flood that would rid the world of these creatures. Isabella, being the loving and caring person she was created a pocket dimension called Hel where she put the majority of her siblings there where they can live peacefully but in doing so she had used alot of energy and was buried below sea level on earth trapped in a slumber that would last thousands of years.