(1541/2) The Grôn Chasm was the site of a ferocious battle between the Dark-Elves and Silvar-Elves which ended the War of Wrath.
During this climactic battle, the Dark-Elves and their followers were driven deep underground, through the enormous Grôn Chasm and forced to dwell there permanently.
Legend has it; the Dark-Elves had already begun migrating underground through the chasm, but had left a strong rearguard behind to hinder the Silvar-Elves. It was during this final climactic battle that the greatest of all elvish heroes: King Talarion Brightstar was slain.
The battle is considered a victory by both elvish races; the Silvar were bitter because of the loss of their greatest champion; whereas the Drow were angered by being forced from the surface homelands forever.