However, their plan fails and Severin is successful in draining Illyria of her abilities--leaving her alive but powerless--including her ability to freely travel through time, which Severin needs to resurrect his dead girlfriend.
However, their plan fails and Severin is successful in draining Illyria of her abilities leaving her alive but powerless and stuck in the physical appearance of Winifred Burkle. Severin now has all of Illyria's abilities including her ability to freely travel through time, which he needs to resurrect his dead girlfriend.