diff --git a/changelog b/changelog
index f0a283661..8c5d6df54 100644
--- a/changelog
+++ b/changelog
@@ -15,3 +15,6 @@
 * Fixed infinite water barrels voiding water completely after the chemplant's input buffer runs full, infinite barrels can no longer void water in chemplants
 * Fixed fallout affecting things on Y:0 like bedrock ores and oil
 * Fixed projectiles not being able to pass through open doors
+* Fixed material dupe caused by strand caster overflowing
+* Fixed rampant mode glyphid scout spawn ignoring light level
+* Fixed glyphid diggers' debris attack being able to break concrete
diff --git a/src/main/java/com/hbm/entity/mob/EntityGlyphid.java b/src/main/java/com/hbm/entity/mob/EntityGlyphid.java
index c0cbb40f2..b9e88e699 100644
--- a/src/main/java/com/hbm/entity/mob/EntityGlyphid.java
+++ b/src/main/java/com/hbm/entity/mob/EntityGlyphid.java
@@ -23,7 +23,6 @@ import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.EnumCreatureAttribute;
 import net.minecraft.entity.SharedMonsterAttributes;
 import net.minecraft.entity.monster.EntityMob;
-import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
diff --git a/src/main/java/com/hbm/entity/mob/EntityGlyphidDigger.java b/src/main/java/com/hbm/entity/mob/EntityGlyphidDigger.java
index f0c8d6a12..354162f3f 100644
--- a/src/main/java/com/hbm/entity/mob/EntityGlyphidDigger.java
+++ b/src/main/java/com/hbm/entity/mob/EntityGlyphidDigger.java
@@ -1,5 +1,6 @@
 package com.hbm.entity.mob;
 
+import com.hbm.blocks.ModBlocks;
 import com.hbm.entity.projectile.EntityRubble;
 import com.hbm.lib.Library;
 import com.hbm.main.ResourceManager;
@@ -9,7 +10,6 @@ import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.SharedMonsterAttributes;
 import net.minecraft.init.Blocks;
-import net.minecraft.util.MathHelper;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.Vec3;
 import net.minecraft.world.World;
@@ -126,9 +126,9 @@ public class EntityGlyphidDigger extends EntityGlyphid {
 
 
 				Block b = worldObj.getBlock(x1, y1, z1);
-				float k = b.getExplosionResistance(null);
+				float k = b.getExplosionResistance(this, worldObj, x1, y1, z1, posX, posY, posZ);
 
-				if (k < 200 && b.isNormalCube()) {
+				if (k < ModBlocks.concrete.getExplosionResistance(this) && b.isNormalCube()) {
 
 					EntityRubble rubble = new EntityRubble(worldObj);
 					rubble.posX = x1 + 0.5F;
diff --git a/src/main/java/com/hbm/entity/mob/EntityGlyphidScout.java b/src/main/java/com/hbm/entity/mob/EntityGlyphidScout.java
index 4d1e08a89..e6a5a4564 100644
--- a/src/main/java/com/hbm/entity/mob/EntityGlyphidScout.java
+++ b/src/main/java/com/hbm/entity/mob/EntityGlyphidScout.java
@@ -325,4 +325,23 @@ public class EntityGlyphidScout extends EntityGlyphid {
 		}
 		return PollutionHandler.targetCoords;
 	}
+
+	/** Vanilla implementation, minus the RNG */
+	@Override
+	public boolean isValidLightLevel() {
+		int x = MathHelper.floor_double(this.posX);
+		int y = MathHelper.floor_double(this.boundingBox.minY);
+		int z = MathHelper.floor_double(this.posZ);
+
+		int light = this.worldObj.getBlockLightValue(x, y, z);
+
+		if(this.worldObj.isThundering()) {
+			int skylightSubtracted = this.worldObj.skylightSubtracted;
+			this.worldObj.skylightSubtracted = 10;
+			light = this.worldObj.getBlockLightValue(x, y, z);
+			this.worldObj.skylightSubtracted = skylightSubtracted;
+		}
+			
+		return light <= 7;
+	}
 }
diff --git a/src/main/java/com/hbm/handler/pollution/PollutionHandler.java b/src/main/java/com/hbm/handler/pollution/PollutionHandler.java
index 934a0524b..61c6e9bc4 100644
--- a/src/main/java/com/hbm/handler/pollution/PollutionHandler.java
+++ b/src/main/java/com/hbm/handler/pollution/PollutionHandler.java
@@ -364,12 +364,14 @@ public class PollutionHandler {
 
 						if (soot >= MobConfig.rampantScoutSpawnThresh) {
 							EntityGlyphidScout scout = new EntityGlyphidScout(event.world);
-							//escort for the scout, which can also deal with obstacles
-							EntityGlyphidDigger digger = new EntityGlyphidDigger(event.world);
-							scout.setLocationAndAngles(event.x, event.y, event.z, event.world.rand.nextFloat() * 360.0F, 0.0F);
-							digger.setLocationAndAngles(event.x, event.y, event.z, event.world.rand.nextFloat() * 360.0F, 0.0F);
-							event.world.spawnEntityInWorld(scout);
-							event.world.spawnEntityInWorld(digger);
+							if(scout.isValidLightLevel()) {
+								//escort for the scout, which can also deal with obstacles
+								EntityGlyphidDigger digger = new EntityGlyphidDigger(event.world);
+								scout.setLocationAndAngles(event.x, event.y, event.z, event.world.rand.nextFloat() * 360.0F, 0.0F);
+								digger.setLocationAndAngles(event.x, event.y, event.z, event.world.rand.nextFloat() * 360.0F, 0.0F);
+								event.world.spawnEntityInWorld(scout);
+								event.world.spawnEntityInWorld(digger);
+							}
 						}
 					}
 				}
diff --git a/src/main/resources/assets/hbm/textures/gui/processing/gui_strand_caster.png b/src/main/resources/assets/hbm/textures/gui/processing/gui_strand_caster.png
index 9f3253374..2af67e09e 100644
Binary files a/src/main/resources/assets/hbm/textures/gui/processing/gui_strand_caster.png and b/src/main/resources/assets/hbm/textures/gui/processing/gui_strand_caster.png differ