| 0.01 XEM cost | 0.178875 STORY |
| 0.1 XEM cost | 1.788750 STORY |
| 0.2 XEM cost | 3.577500 STORY |
| 1 XEM cost | 17.887500 STORY |
| 5 XEM cost | 89.437500 STORY |
| 10 XEM cost | 178.875000 STORY |
| 50 XEM cost | 894.375000 STORY |
| 100 XEM cost | 1,788.750000 STORY |
| 1000 XEM cost | 17,887.500000 STORY |
| 10000 XEM cost | 178,875.000000 STORY |
| 100000 XEM cost | 1,788,750.000000 STORY |