What do bottle and Cappy do in fallout shelter?

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Tags

1. #regardless
2. #every
3. #raiders
4. #shelter
5. #vault
6. #increase
7. #first
8. #immediately
9. #temporary
10. #cappy
11. #dweller
12. #bottle
13. #fallout
14. #happiness
15. #after
16. #which
17. #appear
18. #freeing
19. #provide