diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 04af30ad10..f758f8da8c 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1994,8 +1994,8 @@ public class Blocks implements ContentList{
         illuminator = new LightBlock("illuminator"){{
             requirements(Category.effect, BuildVisibility.lightingOnly, with(Items.graphite, 12, Items.silicon, 8));
             brightness = 0.75f;
-            radius = 160f;
-            consumes.power(0.06f);
+            radius = 120f;
+            consumes.power(0.05f);
         }};
 
         //endregion
@@ -2004,6 +2004,12 @@ public class Blocks implements ContentList{
         //looked up by name, no ref needed
         new LegacyMechPad("legacy-mech-pad");
         new LegacyUnitFactory("legacy-unit-factory");
+        new LegacyUnitFactory("legacy-unit-factory-air"){{
+            replacement = Blocks.airFactory;
+        }};
+        new LegacyUnitFactory("legacy-unit-factory-ground"){{
+            replacement = Blocks.groundFactory;
+        }};
 
         //endregion
         //region campaign
diff --git a/core/src/mindustry/core/World.java b/core/src/mindustry/core/World.java
index 60beec266b..b2607aa68e 100644
--- a/core/src/mindustry/core/World.java
+++ b/core/src/mindustry/core/World.java
@@ -200,8 +200,8 @@ public class World{
 
         for(Tile tile : tiles){
             //remove legacy blocks; they need to stop existing
-            if(tile.block() instanceof LegacyBlock){
-                tile.remove();
+            if(tile.block() instanceof LegacyBlock l){
+                l.removeSelf(tile);
                 continue;
             }
 
diff --git a/core/src/mindustry/graphics/BlockRenderer.java b/core/src/mindustry/graphics/BlockRenderer.java
index 7e90fba3ff..a5a78811f5 100644
--- a/core/src/mindustry/graphics/BlockRenderer.java
+++ b/core/src/mindustry/graphics/BlockRenderer.java
@@ -23,7 +23,7 @@ public class BlockRenderer implements Disposable{
     public static final int crackRegions = 8, maxCrackSize = 9;
 
     private static final int initialRequests = 32 * 32;
-    private static final int expandr = 9;
+    private static final int expandr = 10;
     private static final Color shadowColor = new Color(0, 0, 0, 0.71f);
 
     public final FloorRenderer floor = new FloorRenderer();
diff --git a/core/src/mindustry/io/SaveFileReader.java b/core/src/mindustry/io/SaveFileReader.java
index 2c32e38e7b..79299987a6 100644
--- a/core/src/mindustry/io/SaveFileReader.java
+++ b/core/src/mindustry/io/SaveFileReader.java
@@ -24,12 +24,12 @@ public abstract class SaveFileReader{
     "spirit-factory", "legacy-unit-factory",
     "phantom-factory", "legacy-unit-factory",
     "wraith-factory", "legacy-unit-factory",
-    "ghoul-factory", "legacy-unit-factory",
-    "revenant-factory", "legacy-unit-factory",
+    "ghoul-factory", "legacy-unit-factory-air",
+    "revenant-factory", "legacy-unit-factory-air",
     "dagger-factory", "legacy-unit-factory",
     "crawler-factory", "legacy-unit-factory",
-    "titan-factory", "legacy-unit-factory",
-    "fortress-factory", "legacy-unit-factory",
+    "titan-factory", "legacy-unit-factory-ground",
+    "fortress-factory", "legacy-unit-factory-ground",
 
     "mass-conveyor", "payload-conveyor",
     "vestige", "scepter",
diff --git a/core/src/mindustry/world/Block.java b/core/src/mindustry/world/Block.java
index 8203f14dd9..bdf7075776 100644
--- a/core/src/mindustry/world/Block.java
+++ b/core/src/mindustry/world/Block.java
@@ -617,7 +617,7 @@ public class Block extends UnlockableContent{
     public ItemStack[] researchRequirements(){
         ItemStack[] out = new ItemStack[requirements.length];
         for(int i = 0; i < out.length; i++){
-            int quantity = 60 + Mathf.round(Mathf.pow(requirements[i].amount, 1.12f) * 20 * researchCostMultiplier, 10);
+            int quantity = 60 + Mathf.round(Mathf.pow(requirements[i].amount, 1.1f) * 20 * researchCostMultiplier, 10);
 
             out[i] = new ItemStack(requirements[i].item, UI.roundAmount(quantity));
         }
diff --git a/core/src/mindustry/world/blocks/legacy/LegacyBlock.java b/core/src/mindustry/world/blocks/legacy/LegacyBlock.java
index 0401387022..61b3d690f6 100644
--- a/core/src/mindustry/world/blocks/legacy/LegacyBlock.java
+++ b/core/src/mindustry/world/blocks/legacy/LegacyBlock.java
@@ -8,4 +8,9 @@ public class LegacyBlock extends Block{
     public LegacyBlock(String name){
         super(name);
     }
+
+    /** Removes this block from the world, or replaces it with something else. */
+    public void removeSelf(Tile tile){
+        tile.remove();
+    }
 }
diff --git a/core/src/mindustry/world/blocks/legacy/LegacyUnitFactory.java b/core/src/mindustry/world/blocks/legacy/LegacyUnitFactory.java
index c44eec9477..5a1b0e29de 100644
--- a/core/src/mindustry/world/blocks/legacy/LegacyUnitFactory.java
+++ b/core/src/mindustry/world/blocks/legacy/LegacyUnitFactory.java
@@ -1,9 +1,12 @@
 package mindustry.world.blocks.legacy;
 
 import arc.util.io.*;
+import mindustry.content.*;
 import mindustry.gen.*;
+import mindustry.world.*;
 
 public class LegacyUnitFactory extends LegacyBlock{
+    public Block replacement = Blocks.air;
 
     public LegacyUnitFactory(String name){
         super(name);
@@ -13,6 +16,12 @@ public class LegacyUnitFactory extends LegacyBlock{
         solid = false;
     }
 
+    @Override
+    public void removeSelf(Tile tile){
+        int rot = tile.build == null ? 0 : tile.build.rotation;
+        tile.setBlock(replacement, tile.team(), rot);
+    }
+
     public class LegacyUnitFactoryBuild extends Building{
 
         @Override
diff --git a/ios/robovm.xml b/ios/robovm.xml
index 0e4b1003ae..29869ea7ef 100644
--- a/ios/robovm.xml
+++ b/ios/robovm.xml
@@ -23,6 +23,7 @@
         <pattern>mindustry.gen.Call</pattern>
         <pattern>mindustry.net.**</pattern>
         <pattern>mindustry.world.blocks.**</pattern>
+        <pattern>mindustry.logic.**</pattern>
         <pattern>com.android.okhttp.HttpHandler</pattern>
         <pattern>com.android.okhttp.HttpsHandler</pattern>
         <pattern>com.android.org.conscrypt.**</pattern>