Why is Silvally legendary?

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Tags

1. #cells
2. #considered
3. #ultra
4. #silvally
5. #created
6. #shiny
7. #arceus
8. #meaning
9. #rarity
10. #variants
11. #rarer
12. #shift
13. #aggressive
14. #hunting
15. #beasts
16. #different
17. #legendary
18. #types
19. #unlike
20. #perfect
21. #making