

The damage dealt by the Mysterious Stranger is affected by a perk called MysteriousStrangerDamage, which has a magnitude of 1000.There does not appear to be a cooldown timer on the perk if at all, it is very brief.higher Luck will do nothing to influence his appearance rate. The Stranger's appearance rate does not appear to be influenced by any other factors that are arithmetically combined with this perk's scaled appearance rate, e.g.Unlike in previous games, the Mysterious Stranger's face is mostly obscured by his worn fedora.This is confirmed by finding the case file under Nick's bed in his office.

He demonstrates a knowledge of who the Stranger is, or at least what he can do.

The Mysterious Stranger appears more often in V.A.T.S. When he kills an opponent, there is a chance your Critical meter gets filled. Who is he? Why does he help? Who cares! The Mysterious Stranger will appear occasionally in V.A.T.S.
