What is Thor's Hammer made out of?

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Tags

1. #power
2. #fictional
3. #shall
4. #whosoever
5. #dwarven
6. #metal
7. #worthy
8. #blacksmiths
9. #carries
10. #hammer
11. #composed
12. #marvel
13. #holds
14. #inscription
15. #forged
16. #mjolnir
17. #possess
18. #asgardian
19. #continuity