Welcome to Warhammer 40k - Lexicanum! Log in and join the community.
Underfang
From Warhammer 40k - Lexicanum
Underfangs are a type of ferocious wolf-like beast that inhabit Fenris. During the battle, these beasts awoken along with the Space Wolves Dreadnoughts and fought against the Thousand Sons. What exactly these beasts are remains a mystery.[1]