If the black witches had never come across the prophecy which was not to be told to anyone in the land of the living, maybe there would be obvious doom to the humans, vampires, and any other creatures who didn't side with the black witches. And everyone knew how terrible half-knowledge was. Though the three stars had the ability, they would have done nothing and things would have continued to be in the favour of the dark but it was the black witches who had triggered the course which was now balanced between both sides.
As Isabell said, death was inevitable and people would die. Like sacrifice. A bird flew up in the sky and Lucas looked up to notice it was his bird, Raven, who had come with information for him.
Isabell, who noticed the bird said, "Your bird is here. Did you know I gifted a cat to my son," she smiled remembering her boy who was only five years old when she left his side.