Complex sentence: Kanna is not cursed by Buddhist monks as she is in the TV series; instead, it is simply stated that all winged people had been cursed long ago, and as Kanna's being attacked, she simply dies in midair and never returns to the ground.
Split into simpler sentences: Kanna is not cursed by Buddhist monks as she is in the TV series; instead, it is stated that all winged people had been cursed long ago. In the film, she simply dies in midair and never returns to the ground.