Simplify the following text for a Grade 11 native English-speaking person.
Original: Sokka decides to have a simulation fight against a scarecrow , but Aang refuses to kill it due to his pacifistic nature and non-violent upbringing , and even berates his friends as they tell him that he must eventually kill Ozai .
Simplified: All the groupe adviced Aang to kill Ozai , but Aang refuses to kill it due to his pacifistic nature and non-violent upbringing , .