Why does midna destroy the Mirror of Twilight?

Related questions

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3. How long does it take to beat Twilight Princess?
4. Is ganondorf a human?
5. What happened to midna?
6. What happened to Ganondorf at the end of Twilight Princess?
7. Why was Twilight Princess mirrored?
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Tags

1. #hyrule
2. #later
3. #shatters
4. #light
5. #shadow
6. #midna
7. #mirror
8. #answers
9. #clear
10. #since
11. #pretty
12. #tears
13. #separate
14. #realm
15. #twilight
16. #destroys