Realisation dawned on Aslaug. The unseen blade that had been flung, the one that aided Ragnar's monstrous strength in snapping the troll's neck—it was him. This colossal figure, with a head that resembled a wolf's, must have been the one.
"Ulfheðnar..." Ragnar rasped, barely a whisper.

Fate/Lost Einherjar, Chapter 2