Red Sign of Shudde M'ell
From Arkham Horror Wiki
Red Sign of Shudde M'ell is a spell. It first appeared in the Arkham Horror board game.
Card info
Casting Modifier: -1
Sanity Cost: 1
Any Phase: Cast and exhaust to lower a monster's toughness by 1 (to a minimum of 1) and ignore one of its special abilities other than Magical Immunity until the end of this combat.
Hands: 1
Clarification
Only special abilities marked in bold can be chosen to be ignored, i.e. not special combat abilities like the Nightgaunt has.