Probability table of the option rate

Normal Shoe	Upgrade success / fail	Probability
Normal Option	Fail(Normal)	92%
	Success(Rare)	8%

Rare Shoe	Upgrade success / fail	Probability
Normal Option	Fail(Normal)	89%
	Success(Rare)	11%
Rare Option	Fail(Rare)	97%
	Success(Epic)	3%

Epic Shoe	Upgrade success / fail	Probability
Normal Option	Fail(Normal)	85%
	Success(Rare)	15%
Rare Option	Fail(Rare)	93%
	Success(Epic)	7%
Epic Option	Fail(Epic)	98%
	Success(Unique)	2%

Unique Shoe	Upgrade success / fail	Probability
Rare Option	Fail(Rare)	84%
	Success(Epic)	16%
Epic Option	Fail(Epic)	92%
	Success(Unique)	8%
Unique Option	Fail(Unique)	98.5%
	Success(Legendary)	1.5%

Legendary Shoe	Upgrade success / fail	Probability
Rare Option	Fail(Rare)	80%
	Success(Epic)	20%
Epic Option	Fail(Epic)	88%
	Success(Unique)	12%
Unique Option	Fail(Unique)	97%
	Success(Legendary)	3%
Legendary Option	Fail(Legendary)	99.9%
	Success(Hyper)	0.1%