Two or four boys go to war or are on their way home. A long serpent-like creature blocks the passage, they cannot find a path around it and burn it through. One eats its roasted meat and turns into serpent himself or dies
| Areal ID | Tradition |
| 13.1.1.1 | Blackfoot |
| 13.1.1.3 | Gros Ventre |
| 13.1.2.1 | Assiniboine |
| 13.1.3.1 | Crow |
| 13.1.3.2 | Hidatsa |
| 13.1.3.3 | Mandan |
| 13.1.3.4 | Arikara |