Why is Ichigo's Zanpakuto different?

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Tags

1. #ichigo
2. #reiryoku
3. #sealed
4. #their
5. #original
6. #zanpakut
7. #because
8. #always
9. #unlike
10. #yoruichi
11. #blade
12. #which
13. #generation
14. #uncontrollable
15. #states
16. #released
17. #shikai