This majestic chain of soaring earthmotes is one of the most inspiring sights in all Faerûn. A century ago, when the cerulean fires of the Spellplague crisscrossed the land, the Adder Hills escaped their earthly bonds to float a thousand feet or more over the Chessentan frontier. Despite periodic shifts in elevation, the flying peaks remain more or less in a fixed position over the cratered landscape below. Few cross underneath the Adder Hills without some trepidation that the mighty peaks might crash down upon them at a moment’s notice. The floating isles are home to warring tribes of aarakocra and avariel, neither of which welcome outsiders into their lands.
References
James R. Brian, “Chessenta”, Dragon Magazine #178,