Human/Monster ranking
[Tier 1]/[1 Star]
[Tier 2]/[2 Star]
[Tier 3]/[3 Star]
[Tier 4]/[4 Star]
[Tier 5]/[5 Star]
[Tier 6]/[6 Star]
[Tier 7/[7 Star]
[???]/[???]
Card/Talent/Skill ranking
Common (white-crystal card)
Uncommon (Blue-crystal card)
Rare (Green-crystal card)
Unique (Yellow-crystal card)
Epic (Orange-crystal card)
Legendary (Red-crystal card)
Mythical (Black-crystal card).
Grades
Basic
Intermediate
Advanced
Superior
Top-tier