Changed 'mage' to 'character' for Last Stand. Replaced 'Intelligence' with...

Changed 'mage' to 'character' for Last Stand. Replaced 'Intelligence' with 'chosen casting Attribute' for Extreme Focus and Vengeful, as now casters can use Charisma/Wits/Intelligence for casting. Added 'Blood Caster' Knack

knacks.tex

@@ -70,7 +70,7 @@ Any time the character loses \glspl{hp} they immediately gain +2 \glspl{ap} plus
 The character also gains a number of \gls{mp} equal to the number of Knacks they have.
 
 This Knack can only be used when there is a legitimate grievance.
-The mage does not gain the bonus when they have harmed themself.
+The character does not gain the bonus when they have harmed themself.
 
 \subsubsection{Lucky}
 
@@ -129,11 +129,16 @@ The character can specialize in a number of weapons equal to half the number of
 
 \begin{multicols}{2}
 
+\subsubsection{Blood Caster}
+
+The character can choose to gain \glspl{fatigue} instead of spending \gls{mp} when casting a spell, even while still having plenty of \gls{mp}.
+Normally, characters can cast a spell by gaining \glspl{fatigue} only if they have insufficient \gls{mp} for that spell.
+
 \subsubsection{Extreme Focus}
 
 The spell caster can focus on a spell to the exclusion of all else.
 During this time they automatically fail any checks to notice things.
-All ritual spells cast with this focus grant a bonus to the caster's Intelligence score for the purpose of casting spells equal to half the number of Knacks the character has (rounded up).
+All ritual spells cast with this focus grant a bonus to the caster's chosen casting Attribute score for the purpose of casting spells equal to half the number of Knacks the character has (rounded up).
 
 \subsubsection{Snap Caster}
 
@@ -143,7 +148,7 @@ The character is particularly adept at casting spells quickly, and therefore in
 \subsubsection{Vengeful}
 
 The caster's magic is fuelled by hatred and tenacity.
-If the character has 0 \gls{fp} and loses a single \gls{hp} then they gain +2 to their effective Intelligence Bonus until the end of the scene.
+If the character has 0 \gls{fp} and loses a single \gls{hp} then they gain +2 to their effective chosen casting Attribute Bonus until the end of the scene.
 If they have lost half their \gls{hp} then they gain an additional bonus equal to the number of Knacks they have.
 
 For example, a caster with just this knack might lose 2 \glspl{hp} then gain an effective +2 bonus to casting Fireball spells and a +2 bonus to the Damage inflicted by such spells.