An elder deity.
- In Seshnela, a name for Mostal
- He appears in the Orlanthi myth of The First People as the father of Darhudan and Darhudana with Uleria
- He taught the old gods with Uleria about Love.
- He and Uleria divided the spawns of Great Eater and Vassities, made a peace in the world.
- Since there is a myth in Wyrms Footprints which pairs Mostal and Uleria as the identity of the Twins, so the identity of Mostal with Urtiam is unlikely to be an error
- In Lunar Lore, he is the joint dance of Derita and Primoltus