diff --git a/org.sheepy.vsand.model.edit/src/generated/java/org/sheepy/vsand/model/provider/MaterialProviderItemProvider.java b/org.sheepy.vsand.model.edit/src/generated/java/org/sheepy/vsand/model/provider/MaterialProviderItemProvider.java
index 74606120..76a205ae 100644
--- a/org.sheepy.vsand.model.edit/src/generated/java/org/sheepy/vsand/model/provider/MaterialProviderItemProvider.java
+++ b/org.sheepy.vsand.model.edit/src/generated/java/org/sheepy/vsand/model/provider/MaterialProviderItemProvider.java
@@ -107,7 +107,7 @@ protected void addFilterModePropertyDescriptor(Object object)
 				 false,
 				 false,
 				 ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
-				 getString("_UI_IftruewillconsiderALLmaterialsEXCEPTthisonesPropertyCategory"),
+				 null,
 				 null));
 	}
 
diff --git a/org.sheepy.vsand.model/model/VSand.genmodel b/org.sheepy.vsand.model/model/VSand.genmodel
index bd21bc43..aa736861 100644
--- a/org.sheepy.vsand.model/model/VSand.genmodel
+++ b/org.sheepy.vsand.model/model/VSand.genmodel
@@ -103,8 +103,7 @@
     </genClasses>
     <genClasses ecoreClass="VSand.ecore#//MaterialProvider">
       <genFeatures createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference VSand.ecore#//MaterialProvider/materials"/>
-      <genFeatures createChild="false" propertyCategory="If true, will consider ALL materials EXCEPT this ones."
-          propertyDescription="If true, will consider ALL materials EXCEPT this ones."
+      <genFeatures createChild="false" propertyDescription="If true, will consider ALL materials EXCEPT this ones."
           ecoreFeature="ecore:EAttribute VSand.ecore#//MaterialProvider/filterMode"/>
     </genClasses>
     <genClasses image="false" ecoreClass="VSand.ecore#//ITransformation">
diff --git a/org.sheepy.vsand/src/main/resources/Application.vsand b/org.sheepy.vsand/src/main/resources/Application.vsand
index 2cb53fff..2997885e 100644
--- a/org.sheepy.vsand/src/main/resources/Application.vsand
+++ b/org.sheepy.vsand/src/main/resources/Application.vsand
@@ -356,57 +356,53 @@
     <materials name="AcidVapor" density="-2" runoff="30" g="255" b="200" userFriendly="false"/>
   </materials>
   <transformations>
-    <transformations xsi:type="model:Transformation" probability="900" target="//@materials/@materials.12" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.12"/>
-    <transformations xsi:type="model:Transformation" probability="40" target="//@materials/@materials.9" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.9"/>
-    <transformations xsi:type="model:Transformation" probability="300" target="//@materials/@materials.0" reactant="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="950" target="//@materials/@materials.12" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.12"/>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.9" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="550" target="//@materials/@materials.0" reactant="//@materials/@materials.9"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.0" reactant="//@materials/@materials.9" catalyst="//@materials/@materials.5"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.0" reactant="//@materials/@materials.10" catalyst="//@materials/@materials.5"/>
-    <transformations xsi:type="model:Transformation" probability="20" isStaticTransformation="true" target="//@materials/@materials.3" reactant="//@materials/@materials.4"/>
-    <transformations xsi:type="model:Transformation" probability="20" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="200" isStaticTransformation="true" target="//@materials/@materials.3" reactant="//@materials/@materials.4"/>
+    <transformations xsi:type="model:Transformation" probability="440" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.9"/>
     <transformations xsi:type="model:Transformation" probability="1" target="//@materials/@materials.5" reactant="//@materials/@materials.6"/>
-    <transformations xsi:type="model:Transformation" probability="20" target="//@materials/@materials.7" reactant="//@materials/@materials.2" catalyst="//@materials/@materials.5"/>
+    <transformations xsi:type="model:Transformation" probability="100" target="//@materials/@materials.7" reactant="//@materials/@materials.2" catalyst="//@materials/@materials.5"/>
     <transformations xsi:type="model:Transformation" probability="20" isStaticTransformation="true" target="//@materials/@materials.2" reactant="//@materials/@materials.7"/>
     <transformations xsi:type="model:Transformation" probability="20" isStaticTransformation="true" target="//@materials/@materials.8" reactant="//@materials/@materials.7" catalyst="//@materials/@materials.0"/>
     <transformations xsi:type="model:Transformation" probability="15" isStaticTransformation="true" target="//@materials/@materials.8" reactant="//@materials/@materials.7" catalyst="//@materials/@materials.5"/>
     <transformations xsi:type="model:Transformation" probability="10" target="//@materials/@materials.7" reactant="//@materials/@materials.2" catalyst="//@materials/@materials.7"/>
-    <transformations xsi:type="model:Transformation" probability="100" target="//@materials/@materials.11" reactant="//@materials/@materials.10"/>
-    <transformations xsi:type="model:Transformation" probability="500" target="//@materials/@materials.0" reactant="//@materials/@materials.11"/>
-    <transformations xsi:type="model:Transformation" probability="500" target="//@materials/@materials.9" reactant="//@materials/@materials.11" catalyst="//@materials/@materials.0"/>
-    <transformations xsi:type="model:Transformation" probability="240" target="//@materials/@materials.10" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.9"/>
-    <transformations xsi:type="model:Transformation" probability="240" target="//@materials/@materials.10" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.10"/>
+    <transformations xsi:type="model:Transformation" probability="340" target="//@materials/@materials.11" reactant="//@materials/@materials.10"/>
+    <transformations xsi:type="model:Transformation" probability="700" target="//@materials/@materials.0" reactant="//@materials/@materials.11"/>
+    <transformations xsi:type="model:Transformation" probability="700" target="//@materials/@materials.9" reactant="//@materials/@materials.11" catalyst="//@materials/@materials.0"/>
+    <transformations xsi:type="model:Transformation" probability="470" target="//@materials/@materials.10" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="450" target="//@materials/@materials.10" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.10"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.10" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.11"/>
-    <transformations xsi:type="model:Transformation" probability="240" target="//@materials/@materials.10" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.9"/>
-    <transformations xsi:type="model:Transformation" probability="240" target="//@materials/@materials.10" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.10"/>
+    <transformations xsi:type="model:Transformation" probability="350" target="//@materials/@materials.10" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="350" target="//@materials/@materials.10" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.10"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.10" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.11"/>
     <transformations xsi:type="model:Transformation" probability="1" target="//@materials/@materials.8" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.8"/>
-    <transformations xsi:type="model:Transformation" probability="100" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.9"/>
-    <transformations xsi:type="model:Transformation" probability="75" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.10"/>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.9"/>
+    <transformations xsi:type="model:Transformation" probability="175" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.10"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.11"/>
     <transformations xsi:type="model:Transformation" probability="1000" target="//@materials/@materials.15" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.22"/>
     <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.14" reactant="//@materials/@materials.22"/>
-    <transformations xsi:type="model:Transformation" probability="30" target="//@materials/@materials.22" reactant="//@materials/@materials.15"/>
-    <transformations xsi:type="model:Transformation" probability="350" target="//@materials/@materials.10" reactant="//@materials/@materials.15" catalyst="//@materials/@materials.0"/>
-    <transformations xsi:type="model:Transformation" probability="7" isStaticTransformation="true" target="//@materials/@materials.13" reactant="//@materials/@materials.14"/>
-    <transformations xsi:type="model:Transformation" probability="8" target="//@materials/@materials.17" reactant="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="50" target="//@materials/@materials.16" reactant="//@materials/@materials.17"/>
-    <transformations xsi:type="model:Transformation" probability="40" target="//@materials/@materials.9" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.17"/>
-    <transformations xsi:type="model:Transformation" probability="40" target="//@materials/@materials.16" reactant="//@materials/@materials.17" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="250" target="//@materials/@materials.9" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="250" target="//@materials/@materials.9" reactant="//@materials/@materials.14" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="400" target="//@materials/@materials.9" reactant="//@materials/@materials.12" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.9" reactant="//@materials/@materials.1" catalyst="//@materials/@materials.16"/>
+    <transformations xsi:type="model:Transformation" probability="180" target="//@materials/@materials.22" reactant="//@materials/@materials.15"/>
+    <transformations xsi:type="model:Transformation" probability="600" target="//@materials/@materials.10" reactant="//@materials/@materials.15" catalyst="//@materials/@materials.0"/>
+    <transformations xsi:type="model:Transformation" probability="80" isStaticTransformation="true" target="//@materials/@materials.13" reactant="//@materials/@materials.14"/>
+    <transformations xsi:type="model:Transformation" probability="220" target="//@materials/@materials.17" reactant="//@materials/@materials.16"/>
+    <transformations xsi:type="model:Transformation" probability="175" target="//@materials/@materials.16" reactant="//@materials/@materials.17"/>
+    <transformations xsi:type="model:MultipleTransformation" probability="200" target="//@materials/@materials.9" name="[All] + [Lava] = [Fire]">
+      <reactants materials="//@materials/@materials.16 //@materials/@materials.17 //@materials/@materials.0 //@materials/@materials.9 //@materials/@materials.11 //@materials/@materials.10 //@materials/@materials.21" filterMode="true"/>
+      <catalysts materials="//@materials/@materials.16 //@materials/@materials.17"/>
+    </transformations>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.9" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.17"/>
+    <transformations xsi:type="model:Transformation" probability="450" target="//@materials/@materials.16" reactant="//@materials/@materials.17" catalyst="//@materials/@materials.16"/>
+    <transformations xsi:type="model:Transformation" probability="300" target="//@materials/@materials.14" reactant="//@materials/@materials.13" catalyst="//@materials/@materials.16"/>
     <transformations xsi:type="model:Transformation" probability="500" target="//@materials/@materials.16" reactant="//@materials/@materials.1" catalyst="//@materials/@materials.17"/>
-    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.0" reactant="//@materials/@materials.2" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.6" reactant="//@materials/@materials.7" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.9" reactant="//@materials/@materials.8" catalyst="//@materials/@materials.16"/>
     <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.16" reactant="//@materials/@materials.2" catalyst="//@materials/@materials.17"/>
     <transformations xsi:type="model:Transformation" probability="1" target="//@materials/@materials.9" reactant="//@materials/@materials.3" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="5" target="//@materials/@materials.9" reactant="//@materials/@materials.4" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="100" target="//@materials/@materials.9" reactant="//@materials/@materials.6" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="400" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="800" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.17"/>
-    <transformations xsi:type="model:Transformation" probability="5" target="//@materials/@materials.0" reactant="//@materials/@materials.17" catalyst="//@materials/@materials.5"/>
-    <transformations xsi:type="model:Transformation" probability="35" target="//@materials/@materials.0" reactant="//@materials/@materials.16" catalyst="//@materials/@materials.5"/>
+    <transformations xsi:type="model:Transformation" probability="260" target="//@materials/@materials.0" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.16"/>
+    <transformations xsi:type="model:Transformation" probability="500" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.17"/>
+    <transformations xsi:type="model:Transformation" probability="50" target="//@materials/@materials.0" reactant="//@materials/@materials.17" catalyst="//@materials/@materials.5"/>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.0" reactant="//@materials/@materials.16" catalyst="//@materials/@materials.5"/>
     <transformations xsi:type="model:Transformation" probability="1000" propagation="3" target="//@materials/@materials.21" reactant="//@materials/@materials.18" catalyst="//@materials/@materials.9"/>
     <transformations xsi:type="model:Transformation" probability="1000" propagation="4" target="//@materials/@materials.21" reactant="//@materials/@materials.18" catalyst="//@materials/@materials.21"/>
     <transformations xsi:type="model:Transformation" probability="1000" propagation="3" target="//@materials/@materials.21" reactant="//@materials/@materials.18" catalyst="//@materials/@materials.11"/>
@@ -415,30 +411,33 @@
     <transformations xsi:type="model:Transformation" probability="400" propagation="2" target="//@materials/@materials.20" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.9"/>
     <transformations xsi:type="model:Transformation" probability="400" propagation="2" target="//@materials/@materials.20" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.11"/>
     <transformations xsi:type="model:Transformation" probability="400" propagation="2" target="//@materials/@materials.20" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.10"/>
-    <transformations xsi:type="model:Transformation" probability="300" propagation="2" target="//@materials/@materials.9" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.16"/>
-    <transformations xsi:type="model:Transformation" probability="40" target="//@materials/@materials.20" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.20"/>
-    <transformations xsi:type="model:Transformation" probability="40" target="//@materials/@materials.19" reactant="//@materials/@materials.20"/>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.20" reactant="//@materials/@materials.19" catalyst="//@materials/@materials.20"/>
+    <transformations xsi:type="model:Transformation" probability="200" target="//@materials/@materials.19" reactant="//@materials/@materials.20"/>
     <transformations xsi:type="model:Transformation" probability="35" target="//@materials/@materials.9" reactant="//@materials/@materials.20" catalyst="//@materials/@materials.0"/>
     <transformations xsi:type="model:Transformation" probability="175" target="//@materials/@materials.9" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.20"/>
     <transformations xsi:type="model:Transformation" probability="260" target="//@materials/@materials.19" reactant="//@materials/@materials.20" catalyst="//@materials/@materials.5"/>
     <transformations xsi:type="model:Transformation" probability="80" target="//@materials/@materials.6" reactant="//@materials/@materials.5" catalyst="//@materials/@materials.20"/>
-    <transformations xsi:type="model:Transformation" probability="80" target="//@materials/@materials.11" reactant="//@materials/@materials.21"/>
+    <transformations xsi:type="model:Transformation" probability="450" target="//@materials/@materials.11" reactant="//@materials/@materials.21"/>
     <transformations xsi:type="model:Transformation" probability="1000" propagation="5" target="//@materials/@materials.11" reactant="//@materials/@materials.0" catalyst="//@materials/@materials.21"/>
-    <transformations xsi:type="model:Transformation" probability="1" propagation="2" target="//@materials/@materials.24" reactant="//@materials/@materials.23" catalyst="//@materials/@materials.0"/>
-    <transformations xsi:type="model:Transformation" probability="90" target="//@materials/@materials.23" reactant="//@materials/@materials.24"/>
-    <transformations xsi:type="model:MultipleTransformation" probability="20" target="//@materials/@materials.6" name="[Acid] + [All] = [Vapor]">
+    <transformations xsi:type="model:Transformation" probability="1" propagation="3" target="//@materials/@materials.24" reactant="//@materials/@materials.23" catalyst="//@materials/@materials.0"/>
+    <transformations xsi:type="model:Transformation" probability="560" target="//@materials/@materials.23" reactant="//@materials/@materials.24"/>
+    <transformations xsi:type="model:MultipleTransformation" probability="150" target="//@materials/@materials.0" name="[Acid] + [All] = [Void]">
       <reactants materials="//@materials/@materials.23 //@materials/@materials.24"/>
       <catalysts materials="//@materials/@materials.23 //@materials/@materials.0 //@materials/@materials.24 //@materials/@materials.1 //@materials/@materials.5 //@materials/@materials.6" filterMode="true"/>
     </transformations>
-    <transformations xsi:type="model:MultipleTransformation" probability="40" target="//@materials/@materials.0" name="[All] + [Acid] = [Void]">
-      <reactants materials="//@materials/@materials.0 //@materials/@materials.23 //@materials/@materials.24 //@materials/@materials.1 //@materials/@materials.6 //@materials/@materials.5" filterMode="true"/>
+    <transformations xsi:type="model:MultipleTransformation" probability="150" target="//@materials/@materials.0" name="[All] + [Acid] = [Void]">
+      <reactants materials="//@materials/@materials.0 //@materials/@materials.23 //@materials/@materials.24 //@materials/@materials.1 //@materials/@materials.6 //@materials/@materials.5 //@materials/@materials.4 //@materials/@materials.2 //@materials/@materials.7 //@materials/@materials.8 //@materials/@materials.12" filterMode="true"/>
+      <catalysts materials="//@materials/@materials.23 //@materials/@materials.24"/>
+    </transformations>
+    <transformations xsi:type="model:MultipleTransformation" probability="250" target="//@materials/@materials.6" name="[All] + [Acid] = [Vapor]">
+      <reactants materials="//@materials/@materials.2 //@materials/@materials.4 //@materials/@materials.8 //@materials/@materials.12 //@materials/@materials.7"/>
       <catalysts materials="//@materials/@materials.23 //@materials/@materials.24"/>
     </transformations>
-    <transformations xsi:type="model:MultipleTransformation" probability="1" target="//@materials/@materials.6" name="[Acid] + [Wall] = [Vapor]">
+    <transformations xsi:type="model:MultipleTransformation" probability="2" target="//@materials/@materials.0" name="[Acid] + [Wall] = [Void]">
       <reactants materials="//@materials/@materials.23 //@materials/@materials.24"/>
       <catalysts materials="//@materials/@materials.3"/>
     </transformations>
-    <transformations xsi:type="model:MultipleTransformation" probability="2" target="//@materials/@materials.0" name="[Wall] + [Acid] = [Void]">
+    <transformations xsi:type="model:MultipleTransformation" probability="4" target="//@materials/@materials.0" name="[Wall] + [Acid] = [Void]">
       <reactants materials="//@materials/@materials.3"/>
       <catalysts materials="//@materials/@materials.23 //@materials/@materials.24"/>
     </transformations>
diff --git a/org.sheepy.vsand/src/main/resources/board_update.comp b/org.sheepy.vsand/src/main/resources/board_update.comp
index 2a84815a..1734f32a 100644
--- a/org.sheepy.vsand/src/main/resources/board_update.comp
+++ b/org.sheepy.vsand/src/main/resources/board_update.comp
@@ -578,7 +578,10 @@ bool transformation(ivec2 loc, ivec2 localLoc, bool moved)
 			if(differentValue[i])
 			{
 				if(rand == -1)
-					rand = uint(gold_noise(loc, pushConstants.random) * 1000.);
+				{
+					float genRand = sqrt(gold_noise(loc, pushConstants.random));
+					rand = uint(round(genRand * 1000.));
+				}
 
 				uint transfo = transformations.data[transfoIndexX[i]][transfoIndexY[i]];
 				bool staticTransfo = (transfo & STATIC_TRANSFO_FLAG) != 0;
diff --git a/org.sheepy.vsand/src/main/resources/board_update.comp.spv b/org.sheepy.vsand/src/main/resources/board_update.comp.spv
index 691ca56b..ec783fac 100644
Binary files a/org.sheepy.vsand/src/main/resources/board_update.comp.spv and b/org.sheepy.vsand/src/main/resources/board_update.comp.spv differ