 On the other hand, it could (partly) be self-preservation on her part to keep her father from 'waking up' and regaining his power since the spell blocking it off is self-sustaining and active only as long as Harry and Thomas live.In "White Night" Lara offers Harry a chance to work for her, and Harry once again turns her down.There she also shows the capabilities she has in a fight where she and Thomas single-handedly stop cold a group of charging uber-ghouls.