§ Of the Fifth Battle: Nirnaeth Arnoediad The Silmarillion

Then all the hosts of Angband swarmed against them, and they bridged the stream with their dead, and encircled the remnant of Hithlum as a gathering tide about a rock. There as the sun westered on the sixth day, and the shadow of Ered Wethrin grew dark, Huor fell pierced with a venomed arrow in his eye, and all the valiant Men of Hador were slain about him in a heap; and the Orcs hewed their heads and piled them as a mound of gold in the sunset.