How long was Xenoblade Chronicles 2 in development?

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Tags

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2. #years
3. #probably
4. #making
5. #development
6. #regarding
7. #release
8. #story
9. #tired
10. #after
11. #complaints
12. #began
13. #xenoblade
14. #driven
15. #three
16. #title
17. #another
18. #fanbase
19. #monolith
20. #chronicles