diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBreaker.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBreaker.java
index 994c3c966..7d60c7266 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBreaker.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBreaker.java
@@ -13,6 +13,7 @@ package de.ellpeck.actuallyadditions.mod.tile;
 
 import de.ellpeck.actuallyadditions.mod.config.ConfigValues;
 import de.ellpeck.actuallyadditions.mod.util.PosUtil;
+import de.ellpeck.actuallyadditions.mod.util.Util;
 import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockAir;
@@ -21,8 +22,9 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
+import net.minecraftforge.event.ForgeEventFactory;
 
-import java.util.ArrayList;
+import java.util.List;
 
 public class TileEntityBreaker extends TileEntityInventoryBase implements IRedstoneToggle{
 
@@ -83,16 +85,18 @@ public class TileEntityBreaker extends TileEntityInventoryBase implements IRedst
             Block blockToBreak = PosUtil.getBlock(coordsBlock, this.worldObj);
             IBlockState stateToBreak = this.worldObj.getBlockState(coordsBlock);
             if(!this.isPlacer && blockToBreak != null && !(blockToBreak instanceof BlockAir) && blockToBreak.getBlockHardness(stateToBreak, this.worldObj, coordsBlock) > -1.0F){
-                ArrayList<ItemStack> drops = new ArrayList<ItemStack>();
-                drops.addAll(blockToBreak.getDrops(this.worldObj, coordsBlock, stateToBreak, 0));
+                List<ItemStack> drops = blockToBreak.getDrops(this.worldObj, coordsBlock, stateToBreak, 0);
+                float chance = ForgeEventFactory.fireBlockHarvesting(drops, this.worldObj, coordsBlock, this.worldObj.getBlockState(coordsBlock), 0, 1, false, null);
 
-                if(WorldUtil.addToInventory(this, drops, false, true)){
-                    if(!ConfigValues.lessBlockBreakingEffects){
-                        this.worldObj.playAuxSFX(2001, coordsBlock, Block.getStateId(stateToBreak));
+                if(Util.RANDOM.nextFloat() <= chance){
+                    if(WorldUtil.addToInventory(this, drops, false, true)){
+                        if(!ConfigValues.lessBlockBreakingEffects){
+                            this.worldObj.playAuxSFX(2001, coordsBlock, Block.getStateId(stateToBreak));
+                        }
+                        WorldUtil.breakBlockAtSide(sideToManipulate, this.worldObj, this.pos);
+                        WorldUtil.addToInventory(this, drops, true, true);
+                        this.markDirty();
                     }
-                    WorldUtil.breakBlockAtSide(sideToManipulate, this.worldObj, this.pos);
-                    WorldUtil.addToInventory(this, drops, true, true);
-                    this.markDirty();
                 }
             }
             else if(this.isPlacer){
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityDirectionalBreaker.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityDirectionalBreaker.java
index 4569821dd..cd5231da5 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityDirectionalBreaker.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityDirectionalBreaker.java
@@ -14,6 +14,7 @@ import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyReceiver;
 import de.ellpeck.actuallyadditions.mod.config.ConfigValues;
 import de.ellpeck.actuallyadditions.mod.util.PosUtil;
+import de.ellpeck.actuallyadditions.mod.util.Util;
 import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockAir;
@@ -21,10 +22,12 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
+import net.minecraftforge.event.ForgeEventFactory;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
 import java.util.ArrayList;
+import java.util.List;
 
 public class TileEntityDirectionalBreaker extends TileEntityInventoryBase implements IEnergyReceiver, IEnergySaver, IRedstoneToggle{
 
@@ -86,17 +89,19 @@ public class TileEntityDirectionalBreaker extends TileEntityInventoryBase implem
             if(coordsBlock != null){
                 Block blockToBreak = PosUtil.getBlock(coordsBlock, this.worldObj);
                 if(blockToBreak != null && !(blockToBreak instanceof BlockAir) && blockToBreak.getBlockHardness(this.worldObj.getBlockState(coordsBlock), this.worldObj, this.pos) > -1.0F){
-                    ArrayList<ItemStack> drops = new ArrayList();
-                    drops.addAll(blockToBreak.getDrops(this.worldObj, coordsBlock, this.worldObj.getBlockState(coordsBlock), 0));
+                    List<ItemStack> drops = blockToBreak.getDrops(this.worldObj, coordsBlock, this.worldObj.getBlockState(coordsBlock), 0);
+                    float chance = ForgeEventFactory.fireBlockHarvesting(drops, this.worldObj, coordsBlock, this.worldObj.getBlockState(coordsBlock), 0, 1, false, null);
 
-                    if(WorldUtil.addToInventory(this, drops, false, true)){
-                        if(!ConfigValues.lessBlockBreakingEffects){
-                            this.worldObj.playAuxSFX(2001, coordsBlock, Block.getStateId(this.worldObj.getBlockState(coordsBlock)));
+                    if(Util.RANDOM.nextFloat() <= chance){
+                        if(WorldUtil.addToInventory(this, drops, false, true)){
+                            if(!ConfigValues.lessBlockBreakingEffects){
+                                this.worldObj.playAuxSFX(2001, coordsBlock, Block.getStateId(this.worldObj.getBlockState(coordsBlock)));
+                            }
+                            WorldUtil.breakBlockAtSide(sideToManipulate, this.worldObj, this.getPos(), i);
+                            WorldUtil.addToInventory(this, drops, true, true);
+                            this.storage.extractEnergy(ENERGY_USE, false);
+                            this.markDirty();
                         }
-                        WorldUtil.breakBlockAtSide(sideToManipulate, this.worldObj, this.getPos(), i);
-                        WorldUtil.addToInventory(this, drops, true, true);
-                        this.storage.extractEnergy(ENERGY_USE, false);
-                        this.markDirty();
                     }
                 }
             }
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityMiner.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityMiner.java
index 5b0a1fc86..ad8ea4dcc 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityMiner.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityMiner.java
@@ -17,6 +17,7 @@ import de.ellpeck.actuallyadditions.mod.network.PacketHandler;
 import de.ellpeck.actuallyadditions.mod.network.PacketParticle;
 import de.ellpeck.actuallyadditions.mod.network.gui.IButtonReactor;
 import de.ellpeck.actuallyadditions.mod.util.PosUtil;
+import de.ellpeck.actuallyadditions.mod.util.Util;
 import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockLiquid;
@@ -25,6 +26,9 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
+import net.minecraftforge.common.ForgeHooks;
+import net.minecraftforge.event.ForgeEventFactory;
+import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.fluids.IFluidBlock;
 import net.minecraftforge.fml.common.network.NetworkRegistry;
 import net.minecraftforge.fml.relauncher.Side;
@@ -32,6 +36,7 @@ import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.oredict.OreDictionary;
 
 import java.util.ArrayList;
+import java.util.List;
 
 public class TileEntityMiner extends TileEntityInventoryBase implements IEnergyReceiver, IButtonReactor, IEnergySaver, IEnergyDisplay{
 
@@ -98,20 +103,22 @@ public class TileEntityMiner extends TileEntityInventoryBase implements IEnergyR
                     int meta = PosUtil.getMetadata(pos, this.worldObj);
                     if(block != null && !block.isAir(this.worldObj.getBlockState(pos), this.worldObj, pos)){
                         if(block.getHarvestLevel(this.worldObj.getBlockState(pos)) <= 3F && block.getBlockHardness(this.worldObj.getBlockState(pos), this.worldObj, pos) >= 0F && !(block instanceof BlockLiquid) && !(block instanceof IFluidBlock) && this.isMinable(block, meta)){
-                            ArrayList<ItemStack> drops = new ArrayList<ItemStack>();
-                            drops.addAll(block.getDrops(this.worldObj, pos, this.worldObj.getBlockState(pos), 0));
+                            List<ItemStack> drops = block.getDrops(this.worldObj, pos, this.worldObj.getBlockState(pos), 0);
+                            float chance = ForgeEventFactory.fireBlockHarvesting(drops, this.worldObj, pos, this.worldObj.getBlockState(pos), 0, 1, false, null);
 
-                            if(WorldUtil.addToInventory(this, drops, false, true)){
-                                if(!ConfigValues.lessBlockBreakingEffects){
-                                    this.worldObj.playAuxSFX(2001, pos, Block.getStateId(this.worldObj.getBlockState(pos)));
+                            if(Util.RANDOM.nextFloat() <= chance){
+                                if(WorldUtil.addToInventory(this, drops, false, true)){
+                                    if(!ConfigValues.lessBlockBreakingEffects){
+                                        this.worldObj.playAuxSFX(2001, pos, Block.getStateId(this.worldObj.getBlockState(pos)));
+                                    }
+                                    this.worldObj.setBlockToAir(pos);
+
+                                    WorldUtil.addToInventory(this, drops, true, true);
+                                    this.markDirty();
+
+                                    this.storage.extractEnergy(actualUse, false);
+                                    this.shootParticles(pos.getX(), pos.getY(), pos.getZ());
                                 }
-                                this.worldObj.setBlockToAir(pos);
-
-                                WorldUtil.addToInventory(this, drops, true, true);
-                                this.markDirty();
-
-                                this.storage.extractEnergy(actualUse, false);
-                                this.shootParticles(pos.getX(), pos.getY(), pos.getZ());
                             }
                             return false;
                         }
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/util/WorldUtil.java b/src/main/java/de/ellpeck/actuallyadditions/mod/util/WorldUtil.java
index 906cba5dc..a1fb2f1df 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/util/WorldUtil.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/util/WorldUtil.java
@@ -42,6 +42,7 @@ import net.minecraftforge.common.IPlantable;
 import net.minecraftforge.fluids.*;
 
 import java.util.ArrayList;
+import java.util.List;
 
 public class WorldUtil{
 
@@ -249,11 +250,11 @@ public class WorldUtil{
         return blocks;
     }
 
-    public static boolean addToInventory(IInventory inventory, ArrayList<ItemStack> stacks, boolean actuallyDo, boolean shouldAlwaysWork){
+    public static boolean addToInventory(IInventory inventory, List<ItemStack> stacks, boolean actuallyDo, boolean shouldAlwaysWork){
         return addToInventory(inventory, stacks, EnumFacing.UP, actuallyDo, shouldAlwaysWork);
     }
 
-    public static boolean addToInventory(IInventory inventory, ArrayList<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
+    public static boolean addToInventory(IInventory inventory, List<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
         return addToInventory(inventory, 0, inventory.getSizeInventory(), stacks, side, actuallyDo, shouldAlwaysWork);
     }
 
@@ -266,7 +267,7 @@ public class WorldUtil{
      * @param actuallyDo Do it or just test if it works?
      * @return Does it work?
      */
-    public static boolean addToInventory(IInventory inventory, int start, int end, ArrayList<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
+    public static boolean addToInventory(IInventory inventory, int start, int end, List<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
         //Copy the slots if just testing to later load them again
         ItemStack[] backupSlots = null;
         if(!actuallyDo){