diff --git a/knacks.tex b/knacks.tex
index c47dae5eacc11b76d79a3ed505fa5f32e618d32e..6b02c25bd3859fdffedccbc2d914bf54147d7791 100644
--- a/knacks.tex
+++ b/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.