All increase values applied when using a Refinement Stone are drawn with equal probability.
| Item Name | 1% | 2% | 3% | 4% | 5% |
|---|---|---|---|---|---|
| Refinement Stone (Attack Power +1-3%) | 33.3333% | 33.3333% | 33.3333% | - | - |
| Refinement Stone (Attack Power +2-4%) | - | 33.3333% | 33.3333% | 33.3333% | - |
| Refinement Stone (Attack Power +3-5%) | - | - | 33.3333% | 33.3333% | 33.3333% |