Update Core Design Pillars

Core-Design-Pillars.md

@@ -8,7 +8,7 @@ Correctly reading an opponent's action carries a double payoff: avoiding damage
 
 ## Distinct systems over varied implementations
 
-A weapon roster built around different verbs rather than different numbers ensures each option teaches the player something non-transferable. For example, a claymore doesn't simply swing slower than a sword and shield, it demands a unique mental model that affects its entire feedback loop. 
+A weapon roster built around different verbs rather than different numbers ensures each option teaches the player something new. A claymore doesn't simply swing slower than a sword and shield. It demands its own mental model, changing how the player reads space, timing, and risk.
 
 ## Multiplicative playstyle design