Just what the Ultimate Gate was, and how it was to be passed, Carter could not be certain; but a feeling of tense expectancy surged over him. He was conscious of having a kind of body, and of holding the fateful silver key in his hand. The masses of towering stone opposite him seemed to possess the evenness of a wall, toward the center of which his eyes were irresistibly drawn. And then suddenly he felt the mental currents of the Most Ancient One cease to flow forth.