| Synonyms = Drive Insane, Words of Madness, Heretic Speech, Devil's Tongue, Possession

Using exactly the right With a poison, carefully chosen words and the right toneor a painful truth revealed, you instil doubt and uncertainty in your target. Slowly shattering cracking the core of their soul.

Depending on how familiar you are with the target and depending on the strength of his beliefs, it may take few sentences or few hours or not be possible at alla long conversation.

If the maddening attempt is successful, the target will either cow and sob or , try to attack you violentlyor feel eternally grateful for your help, then it will permanently suffer for the effects of [[Insane]] or [[Lost Faith]] depending on its personality(only the bad effects without any advantages).

If used several times on the same target's , he will fall deeper and deeper into madness, to a point where he loses all links with reality. You may chose to influence his madness in certain directions.  The Game Master may rule that a person is too strong tospecial and can't be influenced by this Prowess, break, the game master he has to warn you before using the Feat. In particular, this Feat can't break an opponent that has be used on someone with the [[Courage]] Featfeat.