In the film, why didn't Hester's mom just tell her that necklace is the key to stopping the stolen box weapon before dying? She shouldn't really risk the failsafe to a dangerous weapon to guesswork.
She was dying, and may have been barely able to talk.
When Airhaven is sent crashing to the ground below fast, nobody seems to expierence any discomfort or trouble walking around the place instead of hanging on for dear life.
