In the waning of the year Mim the Dwarf and Ibun his son went out from Bar-en-Danwedh to gather roots in the wild for their winter store; and they were taken captive by Orcs. Then for a second time Mim promised to guide his enemies by the secret paths to his home on Amon Rudh; but yet he sought to delay the fulfilment of his promise, and demanded that Gorthol should not be slain. Then the Ore-captain laughed, and he said to Mim: 'Assuredly Turin son of Hurin shall not be slain.'
Thus was Bar-en-Danwedh betrayed, for the Orcs came upon it by night at unawares, guided by Mim. There many of Turin's company were slain as they slept; but some fleeing by an inner stair came out upon the hill-top, and there they fought until they fell, and their blood flowed out upon the seregon that mantled the stone. But a net was cast over Turin as he fought, and he was enmeshed in it, and overcome, and led away.
And at length when all was silent again Mim crept out of the shadows of his house; and as the sun rose over the mists of Sirion he stood beside the dead men on the hill-top. But he perceived that not all those that lay there were dead; for by one his gaze was returned, and he looked in the eyes of Beleg the Elf. Then with hatred long-stored Mim stepped up to Beleg, and drew forth the sword Anglachel that lay beneath the body of one that had fallen beside him; but Beleg stumbling up seized back the sword and thrust it at the Dwarf, and Mim in terror fled wailing from the hill-top. And Beleg cried after him: 'The vengeance of the house of Hador will find you yet!'
Now Beleg was sorely wounded, but he was mighty among the Elves of Middle-earth, and he was moreover a master of healing. Therefore he did not die, and slowly his strength returned; and he sought in vain among the dead for Turin, to bury him. But he found him not; and then he knew that Hurin's son was yet alive, and taken to Angband.
With little hope Beleg departed from Amon Rudh and set out northward, towards the Crossings of Teiglin, following in the track of the Orcs; and he crossed over the Brithiach and journeyed through Dimbar towards the Pass of Anach. And now he was not far behind them, for he went without sleeping, whereas they had tarried on their road, hunting in the lands and fearing no pursuit as they came northward; and not even in the dreadful woods of Taur-nu-Fuin did he swerve from the trail, for the skill of Beleg was greater than any that have been in Middle-earth. But as he passed by night through that evil land he came upon one lying asleep at the foot of a great dead tree; and Beleg staying his steps beside the sleeper saw that it was an Elf. Then he spoke to him, and gave him lembas, and asked him what fate had brought him to that terrible place; and he named himself Gwindor, son of Guilin.
Grieving Beleg looked upon him; for Gwindor was now but a bent and fearful shadow of his former shape and mood, when in the Nirnaeth Arnoediad that lord of Nargothrond rode with rash courage to the very doors of Angband, and there was taken. For few of the Noldor whom Morgoth captured were put to death, because of their skill in forging and in mining for metals and gems; and Gwindor was not slain, but put to labour in the mines of the North. By secret tunnels known only to themselves the mining Elves might sometimes escape; and thus it came to pass that Beleg found him, spent and bewildered in the mazes of Taur-nu-Fuin.'
And Gwindor told him that as he lay and lurked among the trees he saw a great company of Orcs passing northwards, and wolves went with them; and among them was a Man, whose hands were chained, and they drove him onward with whips. 'Very tall he was', said Gwindor, 'as tall as are the Men from the misty hills of Hithlum.' Then Beleg told him of his own errand in Taur-nu-Fuin; and Gwindor sought to dissuade him from his quest, saying that he would but join Turin in the anguish that awaited him. But Beleg would not abandon Turin, and despairing himself he aroused hope again in Gwindor's heart; and together they went on, following the Orcs until they came out of the forest on the high slopes that ran down to the barren dunes of Anfauglith. There within sight of the peaks of Thangorodrim the Orcs made their encampment in a bare dell as the light of day was failing, and setting wolf-sentinels all about they fell to carousing. A great storm rode up out of the west, and lightning glittered on the Shadowy Mountains far away, as Beleg and Gwindor crept towards the dell.
When all in the camp were sleeping Beleg took his bow, and in the darkness shot the wolf-sentinels, one by one and silently. Then in great peril they entered in, and they found Turin fettered hand and foot and tied to a withered tree; and all about him knives that had been cast at him were embedded in the trunk, and he was senseless in a sleep of great weariness. But Beleg and Gwindor cut the bonds that held him, and lifting him they carried him out of the dell; yet they could bear him no further than to a thicket of thorn-trees a little way above. There they laid him down; and now the storm drew very near. Beleg drew his sword Anglachel, and with it he cut the fetters that bound Turin; but fate was that day more strong, for the blade slipped as he cut the shackles, and Turin's foot was pricked. Then he was aroused into a sudden wakefulness of rage and fear, and seeing one bending over him with naked blade he leapt up with a great cry, believing that Orcs were come again to torment him; and grappling with him in the darkness he seized Anglachel, and slew Beleg Cuthalion thinking him a foe.
But as he stood, finding himself free, and ready to sell his life dearly against imagined foes, there came a great flash of lightning above them; and in its light he looked down on Beleg's face. Then Turin stood stone-still and silent, staring on that dreadful death, knowing what he had done; and so terrible was his face, lit by the lightning that flickered all about them, that Gwindor cowered down upon the ground and dared not raise his eyes.'
But now in the dell beneath the Orcs were aroused, and all the camp was in a tumult; for they feared the thunder that came out of the west, believing that it was sent against them by the great Enemies beyond the Sea. Then a wind arose, and great rains fell, and torrents swept down from the heights of Taur-nu-Fuin; and though Gwindor cried out to Turin, warning him of their utmost peril, he made no answer, but sat unmoving and unweeping in the tempest beside the body of Beleg Cuthalion.
When morning came the storm was passed away eastward over Lothlann, and the sun of autumn rose hot and bright; but believing that Turin would have fled far away from that place and all trace of his flight be washed away, the Orcs departed in haste without longer search, and far off Gwindor saw them marching away over the steaming sands of Anfauglith. Thus it came to pass that they returned to Morgoth empty-handed, and left behind them the son of Hurin, who sat crazed and unwitting on the slopes of Taur-nu-Fuin, bearing a burden heavier than their bonds.