Who are the adeptus custodes?

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Tags

1. #physical
2. #adeptus
3. #palace
4. #mankind
5. #emperor
6. #known
7. #during
8. #heresy
9. #keepers
10. #legio
11. #horus
12. #crusade
13. #custodes
14. #great
15. #protecting
16. #responsible
17. #adepta
18. #emissaries
19. #important
20. #imperial
21. #companions
22. #serving