They flew away on a stolen blind dragon.
Harry, Ron and Hermione are breaking into Gringotts.
They use a dragon.
Yes it was in the book as well. Harry, Ron and Hermione escape from Gringotts on it.
Gringotts is a building, it can't die.
No, Hermione lives throughout the entire Harry Potter series.
To steal the Horcrux from Bellatrix Lestrange's vault.
She didn't.
No.
Harry, Ron and Hermione.
Harry Potter, Ron Weasly, and Hermione Granger
No, they won't.
In the movie, yes. In the book, no.