What does set mastery do Diablo 3?

Related questions

1. Does ps4 Diablo 3 have seasons?
2. How long is season 15 Diablo 3?
3. How do I get the bones of Rathma set?
4. What's the highest level in Diablo 3?
5. Who is Rathma?
6. Where do I get Rathma set?
7. How do you get legendary gems in Diablo 3?
8. Can I upgrade legendary gems while socketed?
9. Can you upgrade a legendary gem that is socketed?
10. What's the point of Diablo seasons?

Tags

1. #vanity
2. #excluding
3. #diablo
4. #awarded
5. #dungeons
6. #wings
7. #players
8. #necromancer
9. #successfully
10. #mastery
11. #limit
12. #within