| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.84/5 | 4.43/5 |
| Vol 2 | 1.98/5 | 4.28/5 |
| Vol 3 | 1.65/5 | 4.36/5 |
| Vol 4 | 2.03/5 | 4.28/5 |
| Vol 5 | 2.59/5 | 4.41/5 |
| Vol 6 | 3.89/5 | 4.46/5 |
| Vol 7 | 3.90/5 | 4.46/5 |
| Vol 8 | 4.00/5 | 4.51/5 |
| Vol 9 | 3.01/5 | 4.37/5 |
| Vol 10 | 3.99/5 | 4.50/5 |
| Vol 11 | 1.79/5 | 4.38/5 |
| Vol 12 | 1.60/5 | 4.26/5 |
| Vol 13 | 3.88/5 | 4.46/5 |
| Vol 14 | 3.42/5 | 4.42/5 |
| Overall | 2.95/5 | 4.51/5 |