Tens of thousands of years ago, on the eve of the Titans' decisive battle against the Old Gods.
Some of the Titan-forged had the honor of receiving the likeness and power of the Titans of the Pantheon themselves, so that they could lead the other Titan-forged. These blessed creations were called Guardians.
Among them, Norgannon, the Dreamweaver, master of arcane magic, knowledge, secrets, and mysteries, shared some of his wisdom and mastery of arcane magic with Guardian Loken and Guardian Mimiron.
After defeating the Black Empire, the Titans discovered that killing the Old Gods outright would cause Azeroth to collapse completely. Left with no alternative, they could only seal them away.
Yogg-Saron was sealed within Ulduar.
Loken and Mimiron became Ulduar's jailers to keep Yogg-Saron imprisoned.
With Norgannon's help, they also created the Discs of Norgannon, an artifact meant to record everything that happened after the Titans left Azeroth! In addition, the Discs of Norgannon were the key to opening the Halls of Origination in Uldum.
Over the long years of their vigil, Ulduar's Guardians were corrupted one by one by Yogg-Saron's whispers.
The Discs of Norgannon, stored in Ulduar's archives, quietly recorded all of it as well.
Tyr, the King of Order, discovered that something was wrong in Ulduar and decided to retrieve the Discs of Norgannon.
Only by obtaining the Discs of Norgannon could he enter the Halls of Origination and contact the Titans, who had left Azeroth many years before.
But there were six Guardians in Ulduar, and Tyr knew he was no match for them.
So Tyr came up with a plan. Leading an army of Vrykul loyal to him, he arrayed his forces outside Ulduar's gates.
After he drew Loken's attention, his two subordinates, Archaedas and Ironaya, slipped into Ulduar through the Halls of