Avulstein Gray-Mane will be in the Gray-Mane clan house, hiding in one of the bedrooms. Upon opening the bedroom door, Avulstein will begin to speak, explaining that he is paranoid of meeting the same fate as his brother who is missing. He is certain that the Battle-Borns are behind the disappearance of his brother and wants proof stolen from their house.
- If Idolaf Battle-Born is killed, the Dragonborn may receive a message by courier from Avulstein, thanking the Dragonborn. He states that he knows it was the Dragonborn who killed Idolaf, and that he will not report the Dragonborn to the authorities.
- There is a glitch where Avulstein will become hostile if you have a bounty on your head. However, if you sheath your weapon, he will not yield. If the guards see him attacking you, they will consider it assault and attack Avulstein constantly, and during the quest Missing in Action, he will not die, preventing you from going further.
- If you can enter Avulstein into a battle with a dragon, he will snap out of it, and communicating with him normalizes.
- Missing in Action, if Avulstein gets really hurt, his character will limp on the ground. Casting a Restoration spell on him such as Healing Hands or Heal Other will not help and he will keep limping. Just proceed through Northwatch Keep and he should stand back up soon. During the quest