| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.73/5 | 4.14/5 |
| Vol 2 | 2.83/5 | 4.17/5 |
| Vol 3 | 2.52/5 | 3.73/5 |
| Vol 4 | 2.59/5 | 3.90/5 |
| Vol 5 | 2.44/5 | 3.90/5 |
| Vol 6 | 2.70/5 | 4.07/5 |
| Vol 7 | 2.60/5 | 3.77/5 |
| Vol 8 | 2.69/5 | 3.91/5 |
| Vol 9 | 2.54/5 | 3.96/5 |
| Vol 10 | 2.73/5 | 4.01/5 |
| Vol 11 | 2.45/5 | 3.84/5 |
| Overall | 2.62/5 | 4.17/5 |