> For the complete documentation index, see [llms.txt](https://docs.superwalk.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.superwalk.io/english/game-fi-elements/additional-option/probability-table-of-the-option-rate.md).

# 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%        |