Silver Nails (Warhammer Novels)

Vukotich went tense again, and Genevieve put her hand on his chest, restraining him. She felt his heart beating fast and realized her nails were growing longer, turning to claws. She regained control and her fingerknives dwindled. Vukotach was bleeding slightly, from the mouth. She had cut him when they kissed. A shudder of pleasure ran through her as she rolled the traces of his blood around her mouth. She swallowed, and felt warm.