| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-15 | 2.56/5 | 4.96/5 |
| Ep 16-30 | 3.35/5 | 4.87/5 |
| Ep 31-45 | 3.62/5 | 5.00/5 |
| Ep 46-60 | 3.54/5 | 5.00/5 |
| Ep 61-75 | 3.40/5 | 4.96/5 |
| Ep 76-90 | 3.31/5 | 4.84/5 |
| Ep 91-105 | 3.75/5 | 5.00/5 |
| Ep 106-120 | 3.42/5 | 5.00/5 |
| Ep 121-135 | 3.25/5 | 4.76/5 |
| Ep 136-150 | 3.48/5 | 4.84/5 |
| Ep 151-165 | 3.52/5 | 5.00/5 |
| Ep 166-180 | 3.90/5 | 5.00/5 |
| Ep 181-195 | 3.88/5 | 5.00/5 |
| Ep 196-210 | 3.86/5 | 5.00/5 |
| Ep 211-225 | 3.64/5 | 4.99/5 |
| Ep 226-240 | 3.64/5 | 5.00/5 |
| Ep 241-255 | 3.85/5 | 5.00/5 |
| Ep 256-270 | 3.48/5 | 5.00/5 |
| Ep 271-285 | 3.63/5 | 5.00/5 |
| Ep 286-300 | 3.86/5 | 5.00/5 |
| Ep 301-315 | 3.17/5 | 5.00/5 |
| Ep 316-330 | 3.97/5 | 5.00/5 |
| Ep 331-345 | 3.64/5 | 5.00/5 |
| Ep 346-360 | 3.11/5 | 4.71/5 |
| Ep 361-366 | 3.63/5 | 4.85/5 |
| Overall | 3.52/5 | 5.00/5 |