I am always stumped when I see this card, because as much as this cycle toys around with the players, suddenly inverting difficulty levels at the very end of the campaign seems to be mean just for the sake of being mean. Players who choose the Easy difficulty setting may cruise through the campaign only to suddenly have to deal with 10 Autofails in a bag which is quite possibly an absolute showstopper. Harsh.
Lord of Carcosa
Ancient One. Elite.
Prey - Most remaining sanity.
If Hastur's attack deals you horror in excess of your sanity, you take 1 damage, as well.
While Hastur is being attacked or evaded by an investigator with no remaining sanity, treat each , "+1," "0," or "-1" token that investigator reveals as a token.