The Man in Black
From Arkham Horror Wiki
The Man in Black is a mythos card. It first appeared in the Arkham Horror board game.
Card Information
Mythos Type: Environment (Mystic)
Gate Opens: The Witch House
Clue Appears At: *Black Cave
Mythos Ability: Investigators who end their movement in the French Hill streets may deal with the Man in Black to gain power. They roll dice equal to their current Sanity and for every failed die, the lose 1 Sanity. If this reduces them to 0 Sanity, they are devoured and the player must start a new character. Otherwise, they gain 1 Clue token and draw 1 Spell.