Simplify the following text for a Grade 10 native English-speaking person.
Original: After the seventh book , Rowling commented that Harry has the ultimate character strength , which not even Voldemort possesses : the acceptance of the inevitability of death .
Simplified: After the seventh book , Rowling commented that Harry has the ultimate character strength , being able to do what even Voldemort can not : he is not afraid of death .