Who are the faceless in Game of Thrones?

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Tags

1. #death
2. #faceless
3. #existed
4. #mercenaries
5. #seemingly
6. #assassins
7. #stark
8. #serve
9. #journey
10. #story
11. #unstoppable
12. #jaqen
13. #collection
14. #primarily
15. #group
16. #zealous