During the Great Darkness, the River Horse survived by moving from headwaters to headwaters through the spirit plane, one stroke ahead of pursuing chaos. Since time began, he has been worshipped for his ability to transport worshippers in the same way.
| Write up | Page | Year | Runes | Notes |
|---|---|---|---|---|
| Prosopaedia | Unpublished | River spirit | ||
| Red Book of Magic | 2020 |   | Ride River Horse Rune spell | |
| Cults of Glorantha preview | 103, 109 | 2019 | | As an associate cult of Engizi As an associate cult of Oslira Ride River Horse Rune spell |
| Cult Compendium | 99 | 2002 | Spirit Cult | |
| Borderlands | 43 | 1982 | Spirit Cult | |
| Nomad Gods | 42 | 1977 | Counter | Water spirit |