Hundreds of years ago, Aegwynn, the most powerful Guardian in Tirisfal's history, defeated an avatar of the Fallen Titan Sargeras. Sargeras's soul slipped unnoticed into Aegwynn's body and lay dormant.
Over the centuries that followed, Sargeras secretly influenced Aegwynn, deepening her doubts and distrust toward the Council of Tirisfal. Aegwynn remained completely unaware.
Perhaps it was precisely Sargeras's subtle influence that prompted Aegwynn to secretly build Karazhan, the tallest mage tower in the world, in Deadwind Pass.
Aegwynn had lived in Karazhan for hundreds of years, yet no one had discovered the tower's existence. Clearly, she had concealed Karazhan with her peerless magical power.
Even Meryl Winterstorm knew nothing of the tower's existence.
It was not until a few decades ago, when Medivh came to Karazhan under Sargeras's influence and conducted research into dark magic there, that Dalaran and Stormwind City were alerted and Karazhan became known to the world.
Only then did Merry learn that Karazhan existed.
"Is that the mage tower where my grandmother and father once lived?" Med'an gazed at the distant, towering ruin, eager to approach.
Merry placed a hand on his shoulder and spoke in a low voice. "Med'an, don't rush. Karazhan is saturated with evil magical energy. It stands on a ley line nexus, where both time and space are unstable. We cannot enter Karazhan yet. The time has not come."
By now, Shawn and the others had reached Deadwind Pass.
Althea had not come this time. There were only six of them: Shawn, Broll, Meryl Winterstorm, Med'an, Chromie, and Olivia.
Althea had led the Night Watch under her command out to clear away the undead and worgen.
They were heading into the Underground Tomb beneath Karazhan, where space was limited. Bringing more people would accomplish nothing; a handful of powerful fighters would have