They therefore joined battle, force against force, in a deep valley, inclosed all round by lofty mountain ridges.

Here Halfdan, when he saw the line of his men wavering, climbed with Thore up a crag covered with stones and, uprooting boulders, rolled them down upon the enemy below; and the weight of these as they fell crushed the line that was drawn up in the lower position.

Thus he regained with stones the victory which he had lost with arms.

For this deed of prowess he received the name of Biargramm ("rock strong"), a word which seems to have been compounded from the name of his fierceness and of the mountains.

He soon gained so much esteem for this among the Swedes that he was thought to be the son of the great Thor, and the people bestowed divine honours upon him, and judged him worthy of public libation.
But the souls of the conquered find it hard to rest, and the insolence of the beaten ever struggles towards the forbidden thing.