# アップグレード
同じ種類の宝石を10個集めると、それらをより高いグレードの宝石にアップグレードすることができます。アップグレードの成功率は、使用する宝石のグレードによって異なります。
| Grade | Rare | Epic | Unique | Legend | Myth | |
|---|
| アップグレード | Normal
x10 | Rare
x8 | Epic
x4 | Unique
x3 | Legend
x2 | |
| 成功確率 | 75% | 80% | 85% | 90% | 30% | |
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