Ability Rating -
Common - 90%
Uncommon -5%
Rare - 3%
Unique -1%
Epic -0.5%
Legendary - 0.25%
Mythical - 0.10%
Divine - 0.075%
Godly - ???%
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Item Rating -
N - 90%
UN - 5%
R - 3%
U - 1%
E - 0.5%
SR (Super Rare) - 0.25%
SU (Super Unique) - 0.10%
SE (Super Epic) - 0.075%
Ω - ???%
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Nothing ≈ 0.075%