Realmspace

  Realmspace was the term used to describe the Torilian system and its surrounding environs within the Prime Material Plane. To those on the surface of Toril, Realmspace was called the Sea of Night, while the Netherese referred to it as the Skyward Realms. Contained within a crystal sphere suspended in the enormous expanse of the phlogiston, Realmspace consisted of wildspace (empty vacuum), a sun, eight planets, their satellites, and a variety of asteroids, comets, and nebulae.   "There are worlds beyond worlds—cold, hot, light, dark, watery, and earthen. They all share one basic need—a need for heroes."