| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.76/5 | 4.14/5 |
| Vol 2 | 2.82/5 | 4.19/5 |
| Vol 3 | 2.93/5 | 4.17/5 |
| Vol 4 | 2.84/5 | 4.19/5 |
| Vol 5 | 2.92/5 | 4.12/5 |
| Vol 6 | 2.89/5 | 4.19/5 |
| Vol 7 | 2.62/5 | 3.83/5 |
| Vol 8 | 2.70/5 | 3.97/5 |
| Vol 9 | 2.65/5 | 4.06/5 |
| Vol 10 | 2.91/5 | 4.00/5 |
| Vol 11 | 2.73/5 | 3.90/5 |
| Vol 12 | 2.81/5 | 4.06/5 |
| Vol 13 | 2.54/5 | 3.82/5 |
| Vol 14 | 2.72/5 | 3.96/5 |
| Vol 15 | 2.62/5 | 3.74/5 |
| Vol 16 | 2.60/5 | 4.12/5 |
| Overall | 2.75/5 | 4.19/5 |