Why does Thanos die in endgame?

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Tags

1. #within
2. #described
3. #thanos
4. #revives
5. #death
6. #surfer
7. #later
8. #cosmic
9. #because
10. #years
11. #petrified
12. #though
13. #knows
14. #describes
15. #silver
16. #corruption
17. #needs
18. #having
19. #bidding
20. #story
21. #trapped
22. #nihilist