Do you have to buy previous WoW expansions?

Related questions

1. Can I buy forsaken by itself?
2. Can I play WoW on two different computers?
3. Is Destiny 2 still free?
4. Is overwatch free for PC?
5. Does Reaper of Souls come with necromancer?
6. Do I need destiny 2 to play forsaken?
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8. Is Legion free now?
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10. Can you download World of Warcraft?

Tags

1. #subscription
2. #expansions
3. #active
4. #until
5. #unlocked
6. #monthly
7. #battle
8. #upcoming
9. #buying
10. #requires
11. #world
12. #expansion
13. #warcraft
14. #dropped
15. #first
16. #patch
17. #paying
18. #longer
19. #purchase
20. #azeroth
21. #access