How did Illidan become blind?

Related questions

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2. What race can demon hunters be?
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4. Do I have to buy all WoW expansions to play Legion?
5. Is World of Warcraft Legion free?
6. Who killed Illidan?
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8. How did Illidan become a demon?
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Tags

1. #changing
2. #replaced
3. #demon
4. #physically
5. #illidan
6. #wowpedia
7. #years
8. #blind
9. #natural
10. #flaming
11. #normal
12. #after
13. #never
14. #before
15. #blinded
16. #jesus
17. #better
18. #people
19. #allowed
20. #sargeras