• 864 DR [Year of the Broken Branch]
  • Rysellan the Dark founds the Twisted Rune. One of the group's earliest lairs lies deep beneath Calimport in what was once an ancient drow temple. »

  • 907 DR [Year of Waiting]
  • The upper city of Calimport is reclaimed and resettled by Mameluks who are shut out of the power circles of Manshaka. At the secret urgings of the Twisted Rune, they seek to reclaim the ruined greater city beyond the walls of the port. Rysellan's primary agent in this endeavor is Vizar Bollus el Kahdan, a half-elf wizard and warrior. »

  • 911 DR [Year of Ruins Reborn]
  • Midsummer The Deepblaze
    Vizar Bollus el Kahdan proclaims himself syl-pasha of Calimport. Nearly all of the surface ruins are cleared of danger. However, Bollus finds some ares hard to restore due to interference from powers down below. He and his forces fill the ancient Muzad (undercity) with oil and set it all afire. Just as planned, the Rune's other agents used the fire to destroy nearly all the surface ruins and those foolish enought to be drawn there.

    The resulting fumes and heat kill nearly all others in the port area, but after five tendays of fire and smoke, Calimport begins to cool and the powers of the Muzad are now more secure than ever. They have been given a huge amount of stone upon which to build and the access they wanted to both the city above and their lairs below, thanks to the fires.

    Curiously, a number of buildings such as the House of the Murabirs survived the destruction without any explanation of how or why. »

  • 1018 DR [Year of the Dracorage]
  • The Twisted Rune has become the most powerful organization in southwestern Faerûn, with agents in every country south of the High Moor and west of the Storm Horn Mountains. »

  • 1311 DR [Year of the Fist]
  • Zelphar Arunsun is crushed to death by a sorcerous hand of force. The perpetrator remains unknown to the Lords to this day (in truth, he was murdered by a lich of the Twisted Rune as a favor to the Shadow Thieves). Khelben the Elder secretly returns to Arunsun Tower after the death of his son. Over the next ten years, he trains his grandson and namesake Khelben the Younger). »

  • 1330 DR [Year of the Marching Moon]
  • Twisted Rune member Jhaniloth Puiral is destroyed by Prince Rythan of Tethyr. He was working with Priamon Rakesk on taking control of the many portals of Undermountain but switches his focus towards using Halaster Blackcloak's gates as a tool for the power of the Twisted Rune, and a means of escape. »

  • 1333 DR [Year of the Striking Falcon]
  • Mulsparkh is founded along the northern bank of the River Momnon in the Duchy of Teshyllal near the end of this year by Calishite mercenaries are monsters at the secret instigation of the Twisted Rune. »

  • 1367 DR [Year of the Shield]
  • Kythorn The deepspawn known as "Clusterfang" becomes an agent of the Twisted Rune when the Rune's original deepspawn known as "The One Below" is killed by Zaranda Star beneath Zazesspur. »

  • 1369 DR [Year of the Gauntlet]
  • Highharvestide The lich Priamon "Frostrune" Rakesk and the alhoon Ralayan the Ocultacle of the Twisted Rune kidnap Halaster Blackcloak from his seat of power in Undermountain. Halaster's Highharvestide results in the destruction of the village of Geniste and other chaos across Faerun, until his rescue by a group of adventurers.

    Piergeiron Paladinson destroys the dracolich Kistarianth the Red on the slopes of Mount Waterdeep during Halastar's Harvestide. The transformed red dragon was slain in life by Piergeiron's father, Athar the Shining Knight.

    The female old blue dragon Araugauthos the Bluetalon escapes from Undermountain during Halaster's Highharvestide. After slaying a great wyrm red dragon that laired near Citadel Amnur and claiming his hoard, she flies south to rejoin her mother Iryklathagra. »

  • Highharvestide Arcturia, one of Halaster's apprentices, is slain in Undermountain by four frost giants (members of the Twisted Rune) in the Room of the Grim Statue. Despite her death, she still managed to kill two fo the giants and was able to activate her contingency magic to remove her corpse and leave an illusion of her dead body. After Arcturia's body was returned to her sancuary, she rises as an undead creature known as a worm that walks.

    The arch-mage Shradin Mulophor (who is without Halaster's protection due to his abduction) is shouted to death by the Skulls of Skullport, and the Skulls become the undisputed masters of Skullport in Undermountain. The form of Shradin and all his possessions instantly turns into a pale red mist and floats away. The Skulls had actually transformed him into an entity capable of feeding on the physical components of victims and channeling that power into the mantle surrounding Skullport.

    With Shradin and the Rag Mage, 2 Skulls are now able to escape the confines of their prison for a short period of time, typically into the halls of Undermountain. They try to keep this fact from becoming common knowledge.

    Halaster, who had foreseen this possibility long ago, is sure to oppose the Skulls in their attempts to be free of the mantle of Skullport. »

  • The Twisted Rune, through its agent Shyressa, fails to take over Zerith Hold in Erlkazar. Shyressa is defeated by Lord Pundun, Liam, and Ryder. »

  • 1374 DR [Year of Lightning Storms]
  • Priamon Rakesk is fooled by Khelben "The Blackstaff" Arunsun, his former mentor but now hated adversary, into seeking what he thought to be an ancient Shoon artifact. With this artifact, Priamon tries to take over control of the Twisted Rune. Blackstaff then strikes a deal with Sapphiraktar the Blue. The Rune preferring to have the Blackstaff deal with the traitorous Priamon rather than having to deal with him themselves. The Priamon's immobilized body is teleported into Undermountain, where the Halaster Blackcloak, in possession of the liches phylactery, takes revenge on his former kidnapper. »