Do I need to buy Legion before Battle for Azeroth?

Related questions

1. How did Illidan become a demon?
2. Do I need to buy BfA to play wow?
3. Can I buy BfA without Legion?
4. How do I get a demon hunter?
5. What level can you play WoW for free?
6. Do demon hunters start at level 1?
7. Are you only allowed one demon hunter?
8. Do I have to buy all WoW expansions to play Legion?
9. Who killed Illidan?
10. How much is legion WoW?

Tags

1. #prior
2. #includes
3. #subscription
4. #replacement
5. #expansion
6. #warcraft
7. #battle
8. #azeroth
9. #world
10. #instead
11. #content