<P> Dumbledore instructs Harry to hide and not to interfere no matter what happens . Draco arrives and disarms Dumbledore revealing that he has been chosen by Voldemort to kill the headmaster . When Draco is unable to bring himself to do it , Snape casts the killing curse instead . Harry confronts and attacks Snape , but Snape overpowers him , and reveals himself as the Half - Blood Prince before escaping . Harry returns to Hogwarts , where the students , staff , and a few guests mourn Dumbledore 's death . Harry later reveals to Ron and Hermione that the locket Horcrux was a fake . The locket contains a message from `` R.A.B. '' , stating that he has stolen the real Horcrux with the intent of destroying it . Rather than returning for their final year at Hogwarts , the three decide to hold out , and track down the remaining Horcruxes . </P>
<P> Dumbledore instructs Harry to hide and not to interfere no matter what happens . Draco arrives and disarms Dumbledore revealing that he has been chosen by Voldemort to kill the headmaster . When Draco is unable to bring himself to do it , Snape casts the killing curse instead . Harry confronts and attacks Snape , but Snape overpowers him , and reveals himself as the Half - Blood Prince before escaping . Harry returns to Hogwarts , where the students , staff , and a few guests mourn Dumbledore 's death . Harry later reveals to Ron and Hermione that the locket Horcrux was a fake . The locket contains a message from `` R.A.B. '' , stating that he has stolen the real Horcrux with the intent of destroying it . Rather than returning for their final year at Hogwarts , the three decide to hold out , and track down the remaining Horcruxes . </P>
who died in harry potter half blood prince
who died in harry potter half blood prince
Dumbledore
Dumbledore