‘Great heart!’ said Turambar. ‘Happy was the choice that took you for a helper!’ But even as he spoke, a great stone hurtled from above and smote Hunthor on the head, and he fell into the water, and so ended; not the least valient in the House of Haleth. Then Turambar cried: ‘Alas! It is ill to walk in my shadow! Why did I seek aid? For now you are alone, O Master of Doom, as you should have known it must be. Now conquer alone!’

Then he summoned to him all his will, and all his hatred of the Dragon and his Master, and it seemed that suddenly he found a strength of heart and body that he had not known before; and he climbed the cliff, from stone to stone, and root to root, until he seized at last a tender tree that grew a little beneath the lip of the chasm, and though its top was blasted, it held still fast by its roots. And even as he steadied himself in a fork of its boughs, the midmost parts of the Dragon came above him, and swayed down with their weight almost upon his head, ere Glaurung could heave them up. Pale and wrinkled was their underside, and all dank with a grey slime, to which clung all manner of dropping filth; and it stank of death. Then Turambar drew the Black Sword of Beleg and stabbed upwards with all the might of his arm, and of his hate, and the deadly blade, long and greedy, went into the belly even to its hilts.

J. R. R. Tolkien, Unfinished Tales (Narn i Chîn Húrin)