diff --git a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Encryption.java b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Encryption.java
index e626e94835..e92d758448 100644
--- a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Encryption.java
+++ b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Encryption.java
@@ -10,7 +10,15 @@ public class Encryption
 	
 	public void addPair(Pair pair)
 	{
-		fields.put(pair.field, pair);
+		Pair existing = fields.get(pair.field);
+		if (existing != null)
+		{
+			fields.put(pair.field, new Pair(pair, existing));
+		}
+		else
+		{
+			fields.put(pair.field, pair);
+		}
 	}
 	
 	public Pair getField(Field field)
diff --git a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/ModArith.java b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/ModArith.java
index 5de05ed88e..a028d6f9ce 100644
--- a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/ModArith.java
+++ b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/ModArith.java
@@ -37,6 +37,7 @@ public class ModArith implements Deobfuscator
 	private MultiValueMap<Field, Number> constantGetters = new MultiValueMap<>(),
 		constantSetters = new MultiValueMap<>();
 	private List<Pair> pairs = new ArrayList<>();
+	private Encryption encryption = new Encryption();
 	
 	private List<InstructionContext> getInsInExpr(InstructionContext ctx, Set<Instruction> set)
 	{
@@ -637,7 +638,7 @@ public class ModArith implements Deobfuscator
 		group.buildClassGraph();
 		
 		pairs.clear();
-		constantGetters.clear();;
+		constantGetters.clear();
 		constantSetters.clear();
 		constants.clear();
 		
@@ -658,6 +659,7 @@ public class ModArith implements Deobfuscator
 			
 			Encryption encr = new Encryption();
 			encr.addPair(pair);
+			encryption.addPair(pair); // sum total
 			
 			insertGetterSetterMuls(encr);
 			
@@ -668,5 +670,9 @@ public class ModArith implements Deobfuscator
 		
 		return i;
 	}
-	
+
+	public Encryption getEncryption()
+	{
+		return encryption;
+	}
 }
diff --git a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Pair.java b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Pair.java
index 8c0dbe2017..efcee01071 100644
--- a/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Pair.java
+++ b/src/main/java/net/runelite/deob/deobfuscators/arithmetic/Pair.java
@@ -7,6 +7,19 @@ public class Pair
 	public Field field;
 	public Number getter, setter;
 	
+	public Pair()
+	{
+	}
+	
+	public Pair(Pair one, Pair two)
+	{
+		assert one.getType() == two.getType();
+		assert one.field == two.field;
+		
+		getter = DMath.multiply(one.getter, two.getter);
+		setter = DMath.multiply(one.setter, two.setter);
+	}
+	
 	public Class getType()
 	{
 		assert getter.getClass() == setter.getClass();
diff --git a/src/main/java/net/runelite/deob/execution/Execution.java b/src/main/java/net/runelite/deob/execution/Execution.java
index d976e6774e..9c34e1c7e8 100644
--- a/src/main/java/net/runelite/deob/execution/Execution.java
+++ b/src/main/java/net/runelite/deob/execution/Execution.java
@@ -18,7 +18,6 @@ import net.runelite.deob.attributes.code.instruction.types.FieldInstruction;
 import net.runelite.deob.attributes.code.instruction.types.GetFieldInstruction;
 import net.runelite.deob.attributes.code.instruction.types.InvokeInstruction;
 import net.runelite.deob.attributes.code.instructions.InvokeStatic;
-import net.runelite.deob.deobfuscators.arithmetic.Encryption;
 import net.runelite.deob.deobfuscators.rename.graph.EdgeType;
 import net.runelite.deob.deobfuscators.rename.graph.Graph;
 import org.apache.commons.collections4.map.MultiValueMap;
@@ -31,7 +30,6 @@ public class Execution
 	public Set<Method> methods = new HashSet<>(); // all methods
 	public Set<Instruction> executed = new HashSet<>(); // executed instructions
 	private MultiValueMap<InstructionContext, Method> invokes = new MultiValueMap<>();
-	private Encryption encryption;
 	public MultiValueMap<Instruction, InstructionContext> contexts = new MultiValueMap<>();
 	private Map<Method, MethodContext> methodContexts = new HashMap<>();
 	private boolean buildGraph; // if true the frame graph is built and execution hasJumped also compares previous instructions
@@ -41,16 +39,6 @@ public class Execution
 	{
 		this.group = group;
 	}
-
-	public Encryption getEncryption()
-	{
-		return encryption;
-	}
-	
-	public void setEncryption(Encryption encryption)
-	{
-		this.encryption = encryption;
-	}
 	
 	public List<Method> getInitialMethods()
 	{