In Brief

  1. Talk to Farkas or Vilkas in Whiterun about work for the Companions.
  2. Agree to help them purify themselves.
  3. Travel to the Tomb of Ysgramor.
  4. Activate the “Flame Of The Harbringer” in the main chamber (With a Glenmoril Witch head in your inventory).
  5. Fight the wolf spirit of Farkas or Vilkas.
  6. Talk to Farkas or Vilkas.