diff --git a/src/main/java/com/github/gtexpert/core/api/capability/impl/ITiered.java b/src/main/java/com/github/gtexpert/core/api/capability/impl/ITiered.java
new file mode 100644
index 00000000..9498a546
--- /dev/null
+++ b/src/main/java/com/github/gtexpert/core/api/capability/impl/ITiered.java
@@ -0,0 +1,6 @@
+package com.github.gtexpert.core.api.capability.impl;
+
+public interface ITiered {
+
+    boolean isTiered();
+}
diff --git a/src/main/java/com/github/gtexpert/core/mixins/GTEMixinLoader.java b/src/main/java/com/github/gtexpert/core/mixins/GTEMixinLoader.java
index 64574888..03f008ba 100644
--- a/src/main/java/com/github/gtexpert/core/mixins/GTEMixinLoader.java
+++ b/src/main/java/com/github/gtexpert/core/mixins/GTEMixinLoader.java
@@ -21,6 +21,7 @@ public class GTEMixinLoader implements ILateMixinLoader {
     public static final Map<String, Boolean> modMixinsConfig = new ImmutableMap.Builder<String, Boolean>()
             .put(Mods.Names.DRACONIC_ADDITIONS, true)
             .put(Mods.Names.GREGTECH, true)
+            .put(Mods.Names.GREGICALITY_MULTIBLOCKS, true)
             .build();
 
     @SuppressWarnings("SimplifyStreamApiCallChains")
diff --git a/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaBlastFurnaceMixin.java b/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaBlastFurnaceMixin.java
new file mode 100644
index 00000000..93ce39d3
--- /dev/null
+++ b/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaBlastFurnaceMixin.java
@@ -0,0 +1,15 @@
+package com.github.gtexpert.core.mixins.gcym;
+
+import com.github.gtexpert.core.api.capability.impl.ITiered;
+import gregicality.multiblocks.common.metatileentities.multiblock.standard.MetaTileEntityMegaBlastFurnace;
+
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(value = MetaTileEntityMegaBlastFurnace.class, remap = false)
+public abstract class MetaTileEntityMegaBlastFurnaceMixin implements ITiered {
+
+    @Override
+    public boolean isTiered() {
+        return false;
+    }
+}
diff --git a/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaVacuumFreezerMixin.java b/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaVacuumFreezerMixin.java
new file mode 100644
index 00000000..b14cb3b0
--- /dev/null
+++ b/src/main/java/com/github/gtexpert/core/mixins/gcym/MetaTileEntityMegaVacuumFreezerMixin.java
@@ -0,0 +1,14 @@
+package com.github.gtexpert.core.mixins.gcym;
+
+import com.github.gtexpert.core.api.capability.impl.ITiered;
+import gregicality.multiblocks.common.metatileentities.multiblock.standard.MetaTileEntityMegaVacuumFreezer;
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(value = MetaTileEntityMegaVacuumFreezer.class, remap = false)
+public class MetaTileEntityMegaVacuumFreezerMixin implements ITiered {
+
+    @Override
+    public boolean isTiered() {
+        return false;
+    }
+}
diff --git a/src/main/resources/mixins.gtexpert.gcym.json b/src/main/resources/mixins.gtexpert.gcym.json
new file mode 100644
index 00000000..7377bda0
--- /dev/null
+++ b/src/main/resources/mixins.gtexpert.gcym.json
@@ -0,0 +1,15 @@
+{
+  "package": "com.github.gtexpert.core.mixins.gcym",
+  "refmap": "mixins.gtexpert.refmap.json",
+  "target": "@env(DEFAULT)",
+  "minVersion": "0.8",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+    "MetaTileEntityMegaBlastFurnaceMixin",
+    "MetaTileEntityMegaVacuumFreezerMixin"
+  ],
+  "server": [
+  ],
+  "client": [
+  ]
+}