Who is Azrael in Arkham Knight?

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Tags

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2. #azrael
3. #dumas
4. #order
5. #become
6. #behind
7. #where
8. #outfit
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11. #primarily
12. #sends
13. #scarecrow
14. #during
15. #takeover
16. #mission
17. #character
18. #batman
19. #quest
20. #patches
21. #arkham
22. #white
23. #gotham