| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.94/5 | 3.31/5 |
| Vol 2 | 1.84/5 | 3.67/5 |
| Vol 3 | 1.16/5 | 2.97/5 |
| Vol 4 | 1.77/5 | 3.32/5 |
| Vol 5 | 1.70/5 | 3.15/5 |
| Vol 6 | 1.64/5 | 3.63/5 |
| Vol 7 | 1.17/5 | 3.40/5 |
| Vol 8 | 1.57/5 | 3.08/5 |
| Vol 9 | 1.49/5 | 3.22/5 |
| Vol 10 | 1.95/5 | 3.47/5 |
| Vol 11 | 1.23/5 | 3.50/5 |
| Vol 12 | 0.82/5 | 1.18/5 |
| Vol 13 | 1.30/5 | 3.37/5 |
| Vol 14 | 1.30/5 | 3.73/5 |
| Vol 15 | 1.16/5 | 3.38/5 |
| Vol 16 | 1.38/5 | 3.81/5 |
| Vol 17 | 1.47/5 | 3.51/5 |
| Vol 18 | 1.63/5 | 3.24/5 |
| Overall | 1.47/5 | 3.81/5 |