diff --git a/src/engine/util/Pair.java b/src/engine/util/Pair.java
new file mode 100644
index 00000000..27beab77
--- /dev/null
+++ b/src/engine/util/Pair.java
@@ -0,0 +1,24 @@
+package engine.util;
+
+public class Pair<A, B> {
+    private final A first;
+    private final B second;
+
+    public Pair(A first, B second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    public A getFirst() {
+        return first;
+    }
+
+    public B getSecond() {
+        return second;
+    }
+
+    @Override
+    public String toString() {
+        return "Pair{" + "first=" + first + ", second=" + second + '}';
+    }
+}
diff --git a/src/engine/wpakpowers/Behaviours.java b/src/engine/wpakpowers/Behaviours.java
index df726f8e..1afa4a67 100644
--- a/src/engine/wpakpowers/Behaviours.java
+++ b/src/engine/wpakpowers/Behaviours.java
@@ -8,8 +8,10 @@
 
 package engine.wpakpowers;
 
+import com.mysql.cj.conf.ConnectionUrlParser;
 import engine.objects.AbstractCharacter;
 import engine.objects.AbstractWorldObject;
+import engine.util.Pair;
 import engine.wpak.data.Effect;
 import engine.wpak.data.ModifierEntry;
 import engine.wpak.data.Power;
@@ -58,8 +60,8 @@ public class Behaviours {
 
     public static Object FPSubTypeDmg(AbstractCharacter caster, AbstractWorldObject target, Power power,
                                       PowerAction powerAction, Effect effect, ModifierEntry modifierEntry, Integer rank) {
-        System.out.println("Behavior method called");
-        return null;
+
+        return new Pair<>(modifierEntry.arg1,WpakPowerManager.applyCurveToModifier(powerAction, modifierEntry, rank));
     }
 
     public static Object DD(AbstractCharacter caster, AbstractWorldObject target, Power power,