Why is Oceiros a dragon?

Related questions

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2. Who killed Emma ds3?
3. Is Yhorm giant optional?
4. What happened to Hawkeye Gough?
5. Can you get Yhorm's armor?
6. What does the soul of boreal Valley Vordt do?
7. What do you do after Boreal Valley Dance?
8. Can dancer be parried?
9. How do you trigger a dancer in the boreal Valley?
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Tags

1. #source
2. #known
3. #became
4. #scale
5. #oceiros
6. #always
7. #carrying
8. #habit
9. #immortality
10. #dragons
11. #material
12. #losing
13. #eventually
14. #sanity
15. #consumed
16. #dragon
17. #result
18. #everlasting
19. #fascinated
20. #obsessed
21. #point