How do you get a Bloodstone rock in bloodborne?

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Tags

1. #lantern
2. #mensis
3. #bloodborne
4. #start
5. #creature
6. #center
7. #blood
8. #giant
9. #nightmare
10. #tower
11. #shortcut
12. #destroy
13. #version
14. #middle
15. #enhanced
16. #stairs