Her heart froze when it occurred to her. She wasn’t watching a memory from Narcissa. No, the spell cast on the necklace had transferred her spirit into Narcissa’s body.  She was Narcissa. Hermione was about to relive her death in real time. A panic seized her. If she could feel the elements of the rainy night, then she would no doubt know the pain–the torture and fire by which Narcissa died.