diff --git a/src/main/java/gregtech/api/util/Mods.java b/src/main/java/gregtech/api/util/Mods.java
index b06b7d9f247..609f71c1008 100644
--- a/src/main/java/gregtech/api/util/Mods.java
+++ b/src/main/java/gregtech/api/util/Mods.java
@@ -69,6 +69,7 @@ public enum Mods {
     VoxelMap(Names.VOXEL_MAP),
     XaerosMinimap(Names.XAEROS_MINIMAP),
     Vintagium(Names.VINTAGIUM),
+    Alfheim(Names.ALFHEIM),
 
     // Special Optifine handler, but consolidated here for simplicity
     Optifine(null) {
@@ -137,6 +138,7 @@ public static class Names {
         public static final String VOXEL_MAP = "voxelmap";
         public static final String XAEROS_MINIMAP = "xaerominimap";
         public static final String VINTAGIUM = "vintagium";
+        public static final String ALFHEIM = "alfheim";
     }
 
     private final String ID;
diff --git a/src/main/java/gregtech/api/util/world/DummyWorld.java b/src/main/java/gregtech/api/util/world/DummyWorld.java
index 858a27138bb..451940347b9 100644
--- a/src/main/java/gregtech/api/util/world/DummyWorld.java
+++ b/src/main/java/gregtech/api/util/world/DummyWorld.java
@@ -1,5 +1,7 @@
 package gregtech.api.util.world;
 
+import gregtech.api.util.Mods;
+
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.profiler.Profiler;
@@ -10,6 +12,7 @@
 import net.minecraft.world.chunk.IChunkProvider;
 import net.minecraft.world.storage.WorldInfo;
 import net.minecraftforge.fml.common.ObfuscationReflectionHelper;
+import net.minecraftforge.fml.common.Optional.Method;
 import net.minecraftforge.fml.relauncher.FMLLaunchHandler;
 
 import org.jetbrains.annotations.NotNull;
@@ -37,6 +40,12 @@ public DummyWorld() {
         // De-allocate lightUpdateBlockList, checkLightFor uses this
         ObfuscationReflectionHelper.setPrivateValue(World.class, this, null,
                 FMLLaunchHandler.isDeobfuscatedEnvironment() ? "lightUpdateBlockList" : "field_72994_J");
+
+        // De-allocate alfheim lighting engine
+        if (Mods.Alfheim.isModLoaded()) {
+            ObfuscationReflectionHelper.setPrivateValue(World.class, this, null,
+                    "alfheim$lightingEngine");
+        }
     }
 
     @Override
@@ -90,4 +99,21 @@ protected boolean isChunkLoaded(int x, int z, boolean allowEmpty) {
     public boolean checkLightFor(@NotNull EnumSkyBlock lightType, @NotNull BlockPos pos) {
         return true;
     }
+
+    @Override
+    @Method(modid = Mods.Names.ALFHEIM)
+    public World init() {
+        return this;
+    }
+
+    @Override
+    @Method(modid = Mods.Names.ALFHEIM)
+    public int getLightFromNeighborsFor(EnumSkyBlock type, BlockPos pos) {
+        return 15;
+    }
+
+    @Method(modid = Mods.Names.ALFHEIM)
+    public int alfheim$getLight(BlockPos pos, boolean checkNeighbors) {
+        return 15;
+    }
 }