• -3654 DR
  • A sarrukh lich of tremendous power disguises himself as a human archwizard and appears to the Netherese who have begun to learn magic from the Earlanni elves. Although he calls himself Arthindol, the Netherese dub him "Terraseer" for his power to see events all over the world. The Terraseer teaches secrets of the Art to humans and reappears to help them over the coming centuries, never seeming to age. Among his achievements are translations from many of the nether scrolls, the exploration of the Sword Coast North, the occupation of Old Owl Well, and the warning of impending doom at the hands of Karsus among many other prophecies and teachings. »

  • -2540 DR
  • Death of Congenio Ioun of Netheril. He was always seen with his Ioun's Stones circling his head, and it was rumored that one of Congenio's creations was responsible for his long life. He was also a suspected student of the Terraseer, but it was never proven. »

  • -2375 DR
  • At the urging of Arthindol the Terraseer, Netherese scouts begin exploring the area that will later becomes the Sword Coast North. »

  • -2368 DR
  • The Terraseer establishes Quesseer (Old Owl Well) north of the Sword Mountains. The settlement becomes a trademeet for the Netherese expatriates, the elves of Illefarn, the seafarers of Illusk, the nomadic Ice Hunters, and the dwarves of fallen Haunghdannar. »

  • -841 DR
  • Carbury (who had developed a ruthless side) sees the power that an archwizard possessed. He seeks to take control over the enclave of Spiel through a series of extravagant illusions designed to make everyone believe that he was the Terraseer. His hoax is discovered by a band of adventurers, however, and Carbury is executed for his attempt. »

  • c. -400 DR
  • Around this time, the Lost Sage Augathra the Mad travels the world. She divines many of the names in the Roll of Years, building on the work of other prophets, particularly those of the Netherese wizard known as the Terraseer. During the day, her visions cause her to devise the Roll of Years upon which the seer Alaundo built his work, but at night - gripped by fervered nightmares - she scribes a different set of names. These dark visions drives her travels, and as they continue she grows ever more insane, thus earning her moniker. This second set of years, the Black Chronology, is a secret lost with Augathra and remains undiscovered for over 1,000 years. »

  • -345 DR [Year of Good Courage]
  • Arthindol the Terraseer appears for the final time. Upon arriving in the enclave of Karsus, he warns that the goddess Mystryl is about to face her greatest challenge - one that could alter the Netherese perception of magic for all time. »