| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.56/5 | 4.32/5 |
| Vol 2 | 2.02/5 | 4.16/5 |
| Vol 3 | 2.14/5 | 4.16/5 |
| Vol 4 | 3.04/5 | 4.40/5 |
| Vol 5 | 2.45/5 | 4.04/5 |
| Vol 6 | 3.54/5 | 4.45/5 |
| Vol 7 | 3.98/5 | 4.51/5 |
| Vol 8 | 3.92/5 | 4.49/5 |
| Vol 9 | 1.87/5 | 4.34/5 |
| Vol 10 | 4.07/5 | 4.55/5 |
| Vol 11 | 3.99/5 | 4.52/5 |
| Vol 12 | 4.07/5 | 4.55/5 |
| Vol 13 | 4.03/5 | 4.53/5 |
| Overall | 3.06/5 | 4.55/5 |