Simplify the following text for a Grade 7 native English-speaking person.
Original: Korso then appears before Cale with an anti-spacecraft rifle , but instead of killing him , Korso blasts Cale free and says how they may be able to defeat the Drej after all .
Simplified: Cale trying to save him but Korso slips from Cale 's grip and falls to his apparent death . Akima , Cale and others from Korso 's ship work together to defend the Titan against the Drej attack .