Dueling allows a player to fight bosses they have previously beaten. This ability is granted to the player by Susanoo.
| Opponent | Rank | Experience | Ryou |
|---|---|---|---|
| Kyoukotsu | I | 400 | 220 |
| II | 580 | 420 | |
| III | 840 | 820 | |
| IV | 704 | 620 | |
| V | 1078 | 1030 | |
| Chief Daruma | I | 545 | 375 |
| II | 675 | 570 | |
| III | 800 | 770 | |
| IV | 1003 | 980 | |
| V | 1390 | 1170 | |
| 3-eyed Sumashi | I | 545 | 374 |
| II | 675 | 570 | |
| III | 810 | 790 | |
| IV | 1003 | 974 | |
| V | 1400 | 1230 | |
| Kaname | I | 704 | 625 |
| II | 840 | 824 | |
| III | 1078 | 1040 | |
| IV | 1458 | 1280 | |
| V | 2356 | 1470 | |
| Hashihime | I | 1078 | 1030 |
| II | 2218 | 1400 | |
| III | 2359 | 1420 | |
| IV | 3710 | 1620 | |
| V | 5882 | 1830 | |
| Benkei | I | ||
| II | 2218 | 1400 | |
| III | 3502 | 1600 | |
| IV | 5556 | 1800 | |
| V | 8711 | 2000 | |
| Gedoumaru | I | 1078 | 1070 |
| II | 1531 | 1220 | |
| III | 2345 | 1540 | |
| IV | 3710 | 1830 | |
| V | 5883 | 1880 |