In the Faroëse song of Finnur hin friði, we have the following verse:–
Hegar íð Finnur hetta sær. When this peril Finn saw,
Mannspell var at meini, That witchcraft did him harm,
Skapti hann seg í varglíki: Then he changed himself into a were-wolf:
Hann feldi allvæl fleiri. He slew many thus.
The following is from the second Kviða of Helga Hundingsbana (stroph. 31):–
May the blade bite,
Which thou brandishest
Only on thyself,
when it Chimes on thy head.
Then avenged will be
The death of Helgi,
When thou, as a wolf,
Wanderest in the woods,
Knowing nor fortune
Nor any pleasure,
Haying no meat,
Save rivings of corpses.