THE FORTRESS UNVANQUISHABLE
Then spake Leothric, son of the Lord Lorendiac, and twenty years old was he: "Good Master, what of the sword Sacnoth?"
And the village magician answered: "Fair Lord, no such sword as yet is wrought, for it lies as yet in the hide of Tharagavverug, protecting his spine."
Then said Leothric: "Who is Tharagavverug, and where may he be encountered?"
And the magician of Allathurion answered: "He is the dragon-crocodile who haunts the Northern marshes and ravages the homesteads by their marge. And the hide of his back is of steel, and his under parts are of iron; but along the midst of his back, over his spine, there lies a narrow strip of unearthly steel. This strip of steel is Sacnoth, and it may be neither cleft nor molten, and there is nothing in the world that may avail to break it, nor even leave a scratch upon its surface. It is
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