What is sharding in wow?

Related questions

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Tags

1. #realm
2. #seperate
3. #across
4. #called
5. #instance
6. #whole
7. #sharding
8. #works
9. #players
10. #shards
11. #multiple
12. #balancer
13. #region
14. #instances
15. #warmode
16. #evenly
17. #spread
18. #purpuse
19. #shard
20. #cross