diff --git a/bukkit0/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncWorld.java b/bukkit0/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncWorld.java
index a33dd646..052b1823 100644
--- a/bukkit0/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncWorld.java
+++ b/bukkit0/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncWorld.java
@@ -8,7 +8,6 @@ import com.boydti.fawe.util.StringMan;
 import com.boydti.fawe.util.TaskManager;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
 import com.sk89q.worldedit.bukkit.adapter.BukkitImplAdapter;
-import com.sk89q.worldedit.bukkit.entity.BukkitEntity;
 import com.sk89q.worldedit.world.biome.BaseBiome;
 import java.io.File;
 import java.lang.reflect.Field;
@@ -91,6 +90,10 @@ public class AsyncWorld implements World {
         queue.enqueue();
     }
 
+    public void flush() {
+        queue.flush();
+    }
+
     @Override
     public WorldBorder getWorldBorder() {
         return TaskManager.IMP.sync(new RunnableVal<WorldBorder>() {
diff --git a/bukkit0/src/main/java/com/thevoxelbox/voxelsniper/Sniper.java b/bukkit0/src/main/java/com/thevoxelbox/voxelsniper/Sniper.java
index c50d535a..8d209af8 100644
--- a/bukkit0/src/main/java/com/thevoxelbox/voxelsniper/Sniper.java
+++ b/bukkit0/src/main/java/com/thevoxelbox/voxelsniper/Sniper.java
@@ -22,6 +22,7 @@ import com.google.common.collect.HashBiMap;
 import com.google.common.collect.ImmutableBiMap;
 import com.google.common.collect.Maps;
 import com.google.common.collect.MutableClassToInstanceMap;
+import com.intellectualcrafters.plot.util.StringMan;
 import com.sk89q.worldedit.LocalSession;
 import com.thevoxelbox.voxelsniper.brush.IBrush;
 import com.thevoxelbox.voxelsniper.brush.SnipeBrush;
@@ -87,7 +88,7 @@ public class Sniper {
         if (this.tmpWorld == null) {
             Player player = getPlayer();
             FawePlayer<Player> fp = FawePlayer.wrap(player);
-            if (this.baseQueue == null) {
+            if (this.baseQueue == null || !StringMan.isEqual(baseQueue.getWorldName(), player.getWorld().getName())) {
                 this.baseQueue = FaweAPI.createQueue(fp.getLocation().world, false);
             }
             RegionWrapper[] mask = WEManager.IMP.getMask(fp);
@@ -398,7 +399,7 @@ public class Sniper {
             FaweChangeSet changeSet = changeQueue.getChangeSet();
             FawePlayer<Object> fp = FawePlayer.wrap(getPlayer());
             LocalSession session = fp.getSession();
-            baseQueue.enqueue();
+            baseQueue.flush();
             session.remember(changeSet.toEditSession(fp));
             changeQueue.flush();
             com.sk89q.worldedit.world.World worldEditWorld = fp.getWorld();
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutableBlockChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutableBlockChange.java
index eaac6900..d23cc258 100644
--- a/core/src/main/java/com/boydti/fawe/object/change/MutableBlockChange.java
+++ b/core/src/main/java/com/boydti/fawe/object/change/MutableBlockChange.java
@@ -2,6 +2,7 @@ package com.boydti.fawe.object.change;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.extent.FastWorldEditExtent;
+import com.boydti.fawe.util.ExtentTraverser;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.history.UndoContext;
@@ -36,8 +37,9 @@ public class MutableBlockChange implements Change {
 
     public void create(UndoContext context) {
         Extent extent = context.getExtent();
-        if (extent.getClass() == FastWorldEditExtent.class) {
-            FastWorldEditExtent fwee = (FastWorldEditExtent) extent;
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
             fwee.getQueue().setBlock(x, y, z, id, data);
         } else {
             Fawe.debug("FAWE doesn't support: " + extent + " for " + getClass() + " (bug Empire92)");
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutableChunkChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutableChunkChange.java
index 4f2285d8..77e638dd 100644
--- a/core/src/main/java/com/boydti/fawe/object/change/MutableChunkChange.java
+++ b/core/src/main/java/com/boydti/fawe/object/change/MutableChunkChange.java
@@ -3,6 +3,7 @@ package com.boydti.fawe.object.change;
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.FaweChunk;
 import com.boydti.fawe.object.extent.FastWorldEditExtent;
+import com.boydti.fawe.util.ExtentTraverser;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.history.UndoContext;
@@ -30,8 +31,9 @@ public class MutableChunkChange implements Change {
 
     public void create(UndoContext context, boolean undo) {
         Extent extent = context.getExtent();
-        if (extent.getClass() == FastWorldEditExtent.class) {
-            FastWorldEditExtent fwee = (FastWorldEditExtent) extent;
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
             if (undo) {
                 fwee.getQueue().setChunk(from);
             } else {
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutableEntityChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutableEntityChange.java
index fe778544..bfd4ff95 100644
--- a/core/src/main/java/com/boydti/fawe/object/change/MutableEntityChange.java
+++ b/core/src/main/java/com/boydti/fawe/object/change/MutableEntityChange.java
@@ -2,6 +2,7 @@ package com.boydti.fawe.object.change;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.extent.FastWorldEditExtent;
+import com.boydti.fawe.util.ExtentTraverser;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.DoubleTag;
 import com.sk89q.jnbt.LongTag;
@@ -44,8 +45,9 @@ public class MutableEntityChange implements Change {
 
     public void delete(UndoContext context) {
         Extent extent = context.getExtent();
-        if (extent.getClass() == FastWorldEditExtent.class) {
-            FastWorldEditExtent fwee = (FastWorldEditExtent) extent;
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
             Map<String, Tag> map = tag.getValue();
             long most;
             long least;
@@ -72,8 +74,9 @@ public class MutableEntityChange implements Change {
 
     public void create(UndoContext context) {
         Extent extent = context.getExtent();
-        if (extent.getClass() == FastWorldEditExtent.class) {
-            FastWorldEditExtent fwee = (FastWorldEditExtent) extent;
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
             Map<String, Tag> map = tag.getValue();
             List<DoubleTag> pos = (List<DoubleTag>) map.get("Pos").getValue();
             int x = (int) Math.round(pos.get(0).getValue());
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutableTileChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutableTileChange.java
index 802765c5..33b99dbb 100644
--- a/core/src/main/java/com/boydti/fawe/object/change/MutableTileChange.java
+++ b/core/src/main/java/com/boydti/fawe/object/change/MutableTileChange.java
@@ -2,6 +2,7 @@ package com.boydti.fawe.object.change;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.extent.FastWorldEditExtent;
+import com.boydti.fawe.util.ExtentTraverser;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.IntTag;
 import com.sk89q.jnbt.Tag;
@@ -37,8 +38,9 @@ public class MutableTileChange implements Change {
 
     public void create(UndoContext context) {
         Extent extent = context.getExtent();
-        if (extent.getClass() == FastWorldEditExtent.class) {
-            FastWorldEditExtent fwee = (FastWorldEditExtent) extent;
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
             Map<String, Tag> map = tag.getValue();
             int x = ((IntTag) map.get("x")).getValue();
             int y = ((IntTag) map.get("y")).getValue();
diff --git a/core/src/main/java/com/boydti/fawe/object/changeset/FaweChangeSet.java b/core/src/main/java/com/boydti/fawe/object/changeset/FaweChangeSet.java
index b1d4bc68..29a00960 100644
--- a/core/src/main/java/com/boydti/fawe/object/changeset/FaweChangeSet.java
+++ b/core/src/main/java/com/boydti/fawe/object/changeset/FaweChangeSet.java
@@ -71,7 +71,9 @@ public abstract class FaweChangeSet implements ChangeSet {
     public abstract Iterator<Change> getIterator(boolean redo);
 
     public EditSession toEditSession(FawePlayer player) {
-        return new EditSessionBuilder(world).player(player).autoQueue(false).fastmode(true).checkMemory(false).changeSet(this).allowedRegions(RegionWrapper.GLOBAL().toArray()).build();
+        EditSession editSession = new EditSessionBuilder(world).player(player).autoQueue(false).fastmode(false).checkMemory(false).changeSet(this).allowedRegions(RegionWrapper.GLOBAL().toArray()).build();
+        editSession.setSize(1);
+        return editSession;
     }
 
     public void add(EntityCreate change) {
diff --git a/core/src/main/java/com/boydti/fawe/util/DelegateFaweQueue.java b/core/src/main/java/com/boydti/fawe/util/DelegateFaweQueue.java
index 65b38fa5..0b323229 100644
--- a/core/src/main/java/com/boydti/fawe/util/DelegateFaweQueue.java
+++ b/core/src/main/java/com/boydti/fawe/util/DelegateFaweQueue.java
@@ -12,7 +12,7 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentLinkedDeque;
 
 public class DelegateFaweQueue extends FaweQueue {
-    private final FaweQueue parent;
+    private FaweQueue parent;
 
     public DelegateFaweQueue(FaweQueue parent) {
         super(parent.getWorldName());
@@ -23,6 +23,10 @@ public class DelegateFaweQueue extends FaweQueue {
         return parent;
     }
 
+    public void setParent(FaweQueue parent) {
+        this.parent = parent;
+    }
+
     @Override
     public String getWorldName() {
         return parent.getWorldName();
diff --git a/core/src/main/java/com/sk89q/worldedit/EditSession.java b/core/src/main/java/com/sk89q/worldedit/EditSession.java
index caf4b122..d7f0dcfe 100644
--- a/core/src/main/java/com/sk89q/worldedit/EditSession.java
+++ b/core/src/main/java/com/sk89q/worldedit/EditSession.java
@@ -156,7 +156,7 @@ public class EditSession implements Extent {
 
     private World world;
     private FaweQueue queue;
-    private Extent bypassNone;
+    private Extent extent;
     private HistoryExtent history;
     private Extent bypassHistory;
     private Extent bypassAll;
@@ -248,19 +248,19 @@ public class EditSession implements Extent {
         this.limit = limit;
         this.queue = SetQueue.IMP.getNewQueue(Fawe.imp().getWorldName(world), fastmode, autoQueue);
         this.bypassAll = wrapExtent(new FastWorldEditExtent(world, queue), bus, event, Stage.BEFORE_CHANGE);
-        this.bypassHistory = (bypassNone = wrapExtent(bypassAll, bus, event, Stage.BEFORE_REORDER));
+        this.bypassHistory = (this.extent = wrapExtent(bypassAll, bus, event, Stage.BEFORE_REORDER));
         if (!fastmode && !(changeSet instanceof NullChangeSet)) {
             if (combineStages) {
                 changeTask = changeSet;
                 changeSet.addChangeTask(queue);
             } else {
-                this.bypassNone = (history = new HistoryExtent(this, bypassHistory, changeSet, queue));
+                this.extent = (history = new HistoryExtent(this, bypassHistory, changeSet, queue));
             }
         }
         if (allowedRegions != null) {
-            this.bypassNone = new ProcessedWEExtent(bypassNone, allowedRegions, limit);
+            this.extent = new ProcessedWEExtent(this.extent, allowedRegions, limit);
         }
-        bypassNone = wrapExtent(bypassNone, bus, event, Stage.BEFORE_HISTORY);
+        this.extent = wrapExtent(this.extent, bus, event, Stage.BEFORE_HISTORY);
     }
 
     /**
@@ -302,7 +302,7 @@ public class EditSession implements Extent {
     }
 
     public FaweRegionExtent getRegionExtent() {
-        ExtentTraverser<FaweRegionExtent> traverser = new ExtentTraverser(bypassNone).find(FaweRegionExtent.class);
+        ExtentTraverser<FaweRegionExtent> traverser = new ExtentTraverser(this.extent).find(FaweRegionExtent.class);
         return traverser == null ? null : traverser.get();
     }
 
@@ -316,7 +316,7 @@ public class EditSession implements Extent {
     }
 
     public boolean cancel() {
-        ExtentTraverser traverser = new ExtentTraverser(bypassNone);
+        ExtentTraverser traverser = new ExtentTraverser(this.extent);
         NullExtent nullExtent = new NullExtent(world, BBC.WORLDEDIT_CANCEL_REASON_MANUAL);
         while (traverser != null) {
             ExtentTraverser next = traverser.next();
@@ -324,7 +324,7 @@ public class EditSession implements Extent {
             traverser = next;
         }
         bypassHistory = nullExtent;
-        bypassNone = nullExtent;
+        this.extent = nullExtent;
         bypassAll = nullExtent;
         dequeue();
         queue.clear();
@@ -452,7 +452,7 @@ public class EditSession implements Extent {
      * @return mask, may be null
      */
     public Mask getMask() {
-        ExtentTraverser<MaskingExtent> maskingExtent = new ExtentTraverser(bypassNone).find(MaskingExtent.class);
+        ExtentTraverser<MaskingExtent> maskingExtent = new ExtentTraverser(this.extent).find(MaskingExtent.class);
         return maskingExtent != null ? maskingExtent.get().getMask() : null;
     }
 
@@ -465,11 +465,11 @@ public class EditSession implements Extent {
         if (mask == null) {
             mask = Masks.alwaysTrue();
         }
-        ExtentTraverser<MaskingExtent> maskingExtent = new ExtentTraverser(bypassNone).find(MaskingExtent.class);
+        ExtentTraverser<MaskingExtent> maskingExtent = new ExtentTraverser(this.extent).find(MaskingExtent.class);
         if (maskingExtent != null) {
             maskingExtent.get().setMask(mask);
         } else if (mask != Masks.alwaysTrue()) {
-            bypassNone = new MaskingExtent(bypassNone, mask);
+            this.extent = new MaskingExtent(this.extent, mask);
         }
     }
 
@@ -494,11 +494,11 @@ public class EditSession implements Extent {
      * @return the survival simulation extent
      */
     public SurvivalModeExtent getSurvivalExtent() {
-        ExtentTraverser<SurvivalModeExtent> survivalExtent = new ExtentTraverser(bypassNone).find(SurvivalModeExtent.class);
+        ExtentTraverser<SurvivalModeExtent> survivalExtent = new ExtentTraverser(this.extent).find(SurvivalModeExtent.class);
         if (survivalExtent != null) {
             return survivalExtent.get();
         } else {
-            return (SurvivalModeExtent) (bypassNone = new SurvivalModeExtent(bypassNone, getWorld()));
+            return (SurvivalModeExtent) (this.extent = new SurvivalModeExtent(this.extent, getWorld()));
         }
     }
 
@@ -522,7 +522,7 @@ public class EditSession implements Extent {
         if (history == null) {
             return;
         }
-        ExtentTraverser traverseHistory = new ExtentTraverser(bypassNone).find(HistoryExtent.class);
+        ExtentTraverser traverseHistory = new ExtentTraverser(this.extent).find(HistoryExtent.class);
         if (disableHistory) {
             if (traverseHistory != null) {
                 ExtentTraverser beforeHistory = traverseHistory.previous();
@@ -530,7 +530,7 @@ public class EditSession implements Extent {
                 beforeHistory.setNext(afterHistory.get());
             }
         } else if (traverseHistory == null) {
-            ExtentTraverser traverseBypass = new ExtentTraverser(bypassNone).find(bypassHistory);
+            ExtentTraverser traverseBypass = new ExtentTraverser(this.extent).find(bypassHistory);
             if (traverseBypass != null) {
                 ExtentTraverser beforeHistory = traverseBypass.previous();
                 beforeHistory.setNext(history);
@@ -591,13 +591,13 @@ public class EditSession implements Extent {
 
     @Override
     public BaseBiome getBiome(final Vector2D position) {
-        return this.bypassNone.getBiome(position);
+        return this.extent.getBiome(position);
     }
 
     @Override
     public boolean setBiome(final Vector2D position, final BaseBiome biome) {
         this.changes++;
-        return this.bypassNone.setBiome(position, biome);
+        return this.extent.setBiome(position, biome);
     }
 
     @Override
@@ -809,7 +809,7 @@ public class EditSession implements Extent {
         this.changes++;
         switch (stage) {
             case BEFORE_HISTORY:
-                return this.bypassNone.setBlock(position, block);
+                return this.extent.setBlock(position, block);
             case BEFORE_CHANGE:
                 return this.bypassHistory.setBlock(position, block);
             case BEFORE_REORDER:
@@ -855,7 +855,7 @@ public class EditSession implements Extent {
     public boolean setBlock(final Vector position, final BaseBlock block) throws MaxChangedBlocksException {
         this.changes++;
         try {
-            return this.bypassNone.setBlock(position, block);
+            return this.extent.setBlock(position, block);
         } catch (final MaxChangedBlocksException e) {
             throw e;
         } catch (final WorldEditException e) {
@@ -924,7 +924,7 @@ public class EditSession implements Extent {
     @Override
     @Nullable
     public Entity createEntity(final com.sk89q.worldedit.util.Location location, final BaseEntity entity) {
-        Entity result = this.bypassNone.createEntity(location, entity);
+        Entity result = this.extent.createEntity(location, entity);
         return result;
     }
 
@@ -1005,12 +1005,12 @@ public class EditSession implements Extent {
 
     @Override
     public List<? extends Entity> getEntities(final Region region) {
-        return this.bypassNone.getEntities(region);
+        return this.extent.getEntities(region);
     }
 
     @Override
     public List<? extends Entity> getEntities() {
-        return this.bypassNone.getEntities();
+        return this.extent.getEntities();
     }
 
     /**
@@ -1234,7 +1234,7 @@ public class EditSession implements Extent {
         Iterator<BlockVector> iter = region.iterator();
         try {
             while (iter.hasNext()) {
-                this.bypassNone.setBlock(iter.next(), block);
+                this.extent.setBlock(iter.next(), block);
             }
         } catch (final MaxChangedBlocksException e) {
             throw e;