How does Myrcella die in Game of Thrones?

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Tags

1. #season
2. #against
3. #revenge
4. #oberyn
5. #mercy
6. #lover
7. #tiger
8. #myrcella
9. #poisoned
10. #mother
11. #martell
12. #death
13. #ellaria
14. #finale
15. #cersei
16. #killed
17. #lannister