Madness and Curse Save
From NsdWiki
A Madness and Curse Save is a defensive roll used against spells that inflict a malign supernatural force against a character; such as Insanity or Thirst.
+ | PSY | + | Discern or Focus | + | MDEF or School skill |
A character can use Discern to see through the curse, or Focus to try and maintain spiritual discipline.