Earth is an Eamon-like world orbiting a star in one of the outer branches of the Silvern River, far from the Domains of Eldur.
Though Earth possesses only very weak magic, it's long been tied by strong magical connections to Eamon, and rifts connecting the two worlds have existed for countless millennia. Many common species of flora and fauna, from oaks and maples to dogs and horses, are thought to have originated on Earth and fallen through rifts to Eamon where they flourished. The same may be true of humans, though links between Eamon and other human-inhabited worlds like Mystara or Toril make this uncertain.
While life native to Eamon has likewise passed to Earth, Eamonite species tend not to flourish in terrestrial ecosystems, perhaps because they've evolved to become reliant on the pervasive magic of their native world. Occasional dragons, merfolk, and other exotic visitors remain curiosities on Earth that quickly disappear into myth and legend.
Terrestrial languages, religions, and practices, carried to Eamon by those who passed through rifts, have helped shaped Eamon's modern culture. This is most obvious in the rise of "Aenglish" as the Common tongue of Addar, along with other terrestrial languages like Theodish and Oïl.
