We have seen several instances where Harry or in specila cases his frineds survive several falls by using the "Arrestro Momentum" spell like in Prisoner of Azkaban and Deathly Hallows 2. But in Order ...
In "Harry Potter and the Half-Blood Prince" in the end of the "That's for my father" incident with Malfoy on the Hogwarts Express, Luna Lovegood finds Harry Potter under his cloak with the help of ...
At the end of The Prisoner of Azkaban, Harry and Hermione travel back in time to save Sirius (and as it turns out, Buckbeak) and escape the Dementors. If this is a legitimate option for saving ...