Mari was the strongest vampire around, until someone killed her servant which weakened her. You see the servant and master bound is a strong tie and they old some of the powers for their master if it is to much for them and in this girl's case her power is way to great for her. There was a war agents her and her people, they ended up killing her servant and when they did all of her power went back to her. This made her go into a deep sleep. No one could find her, many years later she finally wakes up with all her power still....