| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-21 | 1.30/5 | 3.94/5 |
| Ep 22-42 | 1.31/5 | 5.00/5 |
| Ep 43-63 | 1.31/5 | 4.10/5 |
| Ep 64-84 | 1.31/5 | 3.30/5 |
| Ep 85-105 | 1.34/5 | 4.65/5 |
| Ep 106-126 | 1.30/5 | 2.98/5 |
| Ep 127-147 | 1.31/5 | 4.17/5 |
| Ep 148-168 | 1.31/5 | 3.95/5 |
| Ep 169-189 | 1.32/5 | 4.66/5 |
| Ep 190-210 | 1.33/5 | 3.97/5 |
| Ep 211-231 | 1.32/5 | 4.07/5 |
| Ep 232-252 | 1.36/5 | 4.46/5 |
| Ep 253-273 | 1.45/5 | 4.98/5 |
| Ep 274-294 | 1.35/5 | 3.48/5 |
| Ep 295-315 | 1.32/5 | 4.92/5 |
| Ep 316-336 | 1.45/5 | 5.00/5 |
| Ep 337-357 | 1.39/5 | 4.39/5 |
| Ep 358-378 | 1.35/5 | 4.66/5 |
| Ep 379-399 | 1.34/5 | 4.05/5 |
| Ep 400-420 | 1.34/5 | 3.06/5 |
| Ep 421-441 | 1.35/5 | 4.81/5 |
| Ep 442-462 | 1.36/5 | 4.79/5 |
| Ep 463-483 | 1.31/5 | 3.58/5 |
| Ep 484-504 | 1.35/5 | 3.98/5 |
| Ep 505-519 | 1.33/5 | 3.87/5 |
| Overall | 1.34/5 | 5.00/5 |