While the potency spell takes effect, it certainly doesn't lodge in Kit's throat.  They leap up from the bed and Kit goes for her blades.  But too quickly Wahida is gone.  As she quick walks away she hears Cash calling her name.<br/><br/>She travels back to the sight where the hellhound attacked her, but it's not there.  However she thinks she knows the direction it went off in.  She remembers watching it slink away to the east.