Rarity Ranks for Scaling Rewards/Challenges:

1. Abundant
2. Plentiful
3. Common
4. Uncommon
5. Special
6. Advanced
7. Greater
8. Exotic
9. Superior
10. Legendary
11. Epic
12. Ancient
13. Runic
14. Unique
15. Esoteric
16. Timeless
17. Peerless
18. Fabled
19. Mythic
20. Ascendant
21. Transcendent
22. Celestial
23. Primordial
24. Exalted
25. Beyond