v0.8.0: fixes/tweaks:

- DM-300 is now immune to sleep
- Pylons now knock away items ontop of them
- fixed further rare DM-300 crash issues

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/NewDM300.java

@@ -32,6 +32,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Barrier;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.LockedFloor;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Paralysis;
+import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Sleep;
 import com.shatteredpixel.shatteredpixeldungeon.effects.BlobEmitter;
 import com.shatteredpixel.shatteredpixeldungeon.effects.CellEmitter;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Speck;
@@ -535,6 +536,10 @@ public class NewDM300 extends Mob {
 		return desc;
 	}
 
+	{
+		immunities.add(Sleep.class);
+	}
+
 	public static class FallingRocks extends Blob {
 
 		{

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Pylon.java

@@ -36,6 +36,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Vertigo;
 import com.shatteredpixel.shatteredpixeldungeon.effects.CellEmitter;
 import com.shatteredpixel.shatteredpixeldungeon.effects.Lightning;
 import com.shatteredpixel.shatteredpixeldungeon.effects.particles.SparkParticle;
+import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
 import com.shatteredpixel.shatteredpixeldungeon.levels.NewCavesBossLevel;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.CharSprite;
@@ -71,6 +72,15 @@ public class Pylon extends Mob {
 	protected boolean act() {
 		spend(TICK);
 
+		Heap heap = Dungeon.level.heaps.get( pos );
+		if (heap != null) {
+			int n;
+			do {
+				n = pos + PathFinder.NEIGHBOURS8[Random.Int( 8 )];
+			} while (!Dungeon.level.passable[n] && !Dungeon.level.avoid[n]);
+			Dungeon.level.drop( heap.pickUp(), n ).sprite.drop( pos );
+		}
+
 		if (alignment == Alignment.NEUTRAL){
 			return true;
 		}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/NewCavesBossLevel.java

@@ -753,6 +753,9 @@ public class NewCavesBossLevel extends Level {
 							energySourceSprite = c.sprite;
 						}
 					}
+					if (energySourceSprite == null){
+						return;
+					}
 				}
 
 				float dist = Math.abs(energySourceSprite.x - x) + Math.abs(energySourceSprite.y - y);