• -10400 DR
  • Dark elves of Clan Sethomiir travel by magic to the Riildath (present-day Rawlinswood and Forest of Lethyr) from Ilythiir, guided by the hand of the balor Wendonai. They construct an underground fortress named Narathmault, "the Dark Pit", at the site of present-day Dun-Tharos, recognizing it as a place of great evil. »

  • -10000 DR
  • Like their kin elsewhere, the dark elves of Narathmault are transformed into drow by the will of the Seldarine, shattering their bindings over a host of fiends who swiftly turn on their former masters. Led by Undrek of Clan Sethomiir, the drow and their minotaur servants are forced to flee Narathmault, traveling south and east into the underground caverns beneath the present-day Plateau of Thay. »

  • -9750 DR
  • The Riildath (present-day Rawlinswood and Forest of Lethyr) is settled by moon elves and gold elves of Shantel Othreier fleeing the persecution of the Vyshaan of Aryvandaar, becoming the realm of Lethyr. The elves of the Riildath discover the horrors of Narathmault and resolve to clear the forest fo all N'Tel'Quess (non-elves) so as to safegaurd them from the foul legacies of Ilythiir. »

  • -1015 DR
  • The Nar chieftain Tharos leads his people into the Riildath and discovers the ruins of Narathmault. He and his people uncover many secrets of demonic lore, a legacy of the original Ilythiiri inhabitants, and soon abandon their gods and turn to the worship of the powers of the Abyss. »