How do you farm humanity in Dark Souls?

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Tags

1. #increases
2. #surrounding
3. #having
4. #undead
5. #relatively
6. #areas
7. #equipped
8. #dropping
9. #contain
10. #humanity
11. #bonfire
12. #chance
13. #discovery
14. #count
15. #depths
16. #serpent
17. #covetous
18. #method