THE FORTRESS UNVANQUISHABLE
of the length of a good sword, and of the breadth thereof. Shouldst thou prevail against Tharagavverug, his hide may be melted away from Sacnoth in a furnace; but there is only one thing that may sharpen Sacnoth's edge, and this is one of Tharagavverug's own steel eyes; and the other eye thou must fasten to Sacnoth's hilt, and it will watch for thee. But it is a hard task to vanquish Tharagavverug, for no sword can pierce his hide; his back cannot be broken, and he can neither burn nor drown. In one way only can Tharagavverug die, and that is by starving."
Then sorrow fell upon Leothric, but the magician spoke on:
"If a man drive Tharagavverug away from his food with a stick for three days, he will starve on the third day at sunset. And though he is not vulnerable, yet in one spot he may take hurt, for his nose is only of lead. A
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