"Sandru.Wilma, huh..." The Headmaster glanced at Yu Nv Wu Gua beside him, only to find that Xi Ye had no intention of letting her leave. He did not ask any further questions and instead sighed softly. "Then we'll have to start with the Ancient Cataclysm War."
"That year, a terrifying figure appeared in the death realm. For the first time, someone opened a passage between the Material Dimension and the world of death. The world of the dead, which countless alchemists had longed for, was officially connected to the real world. Of course, the price was that countless corpses crazily crawled out through that passage!
"That year, the Celestial God Alliance not only had to face the undead that the death realm had accumulated over countless years, but also those fanatical alchemists who secretly believed in eternal life within the death realm."
"That war lasted for a very long time—over ten million years. Aside from the Void War, it was the war that caused the heaviest casualties to the Cosmic Federation. That was because you were fighting the dead, and people would continue dying throughout the war. This meant that a comrade who had still been a reliable ally on the battlefield a moment ago might be turned into your enemy the next!"
Xi Ye nodded slightly when he heard this. "I've heard of that period of history. The several Great Lords personally joined forces, yet they were unable to do anything about the Lich King for quite some time. In the end, it was the Fourth Lord's defection that allowed them to find an opening, right?"
"Yes... It was Sylvanas!" the Headmaster said softly. "She was a ruthless one, as well as a military genius. She once held off more than eighty days of attacks from the death realm