Well if you are talking about the end of the first season this wasn’t like she wanted them to die. They all, step by step, without her consent, sacrificed themselves because they knew she was the most powerful and had to go on to have a shot at defeating the dark moon kingdom. If I recall correctly she also dies at the end, and they are all resurrected with amnesia.

She’s can just rez them later. What’s the big deal?

This is why I don’t have any friends — they are all dead