What happened to Azula in The Legend of Korra?

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Tags

1. #where
2. #azula
3. #short
4. #fellow
5. #health
6. #period
7. #mentioned
8. #avatar
9. #replaced
10. #correctly
11. #request
12. #later
13. #mental
14. #mother
15. #unknown
16. #along
17. #institution
18. #search