• c. -12500 DR
  • The elves of Aryvandaar discover the Hall of Mists beneath the High Forest and summon an arakhor (an elder form of treant) to guard the site. Over the millennia, this creature becomes known as Grandfather Tree. »

  • -2436 DR
  • An unknown thief returns seven of Netheril's remaining Nether Scrolls to the ancient ruins of the Iqua Tel-Quessir (creator races). Three of the scrolls are placed in the Hall of Mists beneath Grandfather Tree of the High Forest, and two others are placed in the Crypt of Hssthak, which later becomes part of western Anauroch. The location of the other two scrolls remains unknown. »

  • 883 DR [Year of the Giant's Oath]
  • An eddy of magical chaos emanating from Hellgate Keep causes the Hall of Mists and Grandfather Tree in the High Forest to be infested with a colony of warped, gargantuan red ants. »

  • 1368 DR [Year of the Banner]
  • The Tree Ghost Uthgardt tribe rediscovers the site of its ancient ancestor mound known as Grandfather Tree in the High Forest. »