| Category | Heroes |
| Location | Abyss |
| Race | Demon |
| Gender | male |
| Title | General |
| Alignment | chaotic evil |
In the Demon Spawn War, Siva'yah served as a general to Demogorgon. In 106 GE, in the northern regions of Hells Womb, Siva'yah's troops constructed the fortification known as Galstyxe.