In the Dueling Space, on the third level.
The sword light gradually receded into the darkness, but within that darkness, a brilliant radiance began to shine.
"How ironic," Arthas said, sheathing his sword as he calmly regarded the old man before him. "The Death-Soul race are a people of darkness, yet you have comprehended the laws of light."
"Light can illuminate the darkness. When there is nowhere to hide, light can make the darkness seem even deeper," the old man said, his demeanor serene, as if their fierce battle had not caused him the slightest surprise or exertion. "You must understand, darkness and light are not in conflict. They promote and supplement each other. Just like you and your sword."
The old man studied Arthas. "Rather than mocking me, I sense that you are afraid of me."
