diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
index 6c77550fb..d3723cc8e 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
@@ -830,7 +830,7 @@ public class Dungeon {
 		if (hero.buff(MindVision.class) != null){
 			for (Mob m : level.mobs.toArray(new Mob[0])){
 				BArray.or( level.visited, level.heroFOV, m.pos - 1 - level.width(), 3, level.visited );
-				BArray.or( level.visited, level.heroFOV, m.pos, 3, level.visited );
+				BArray.or( level.visited, level.heroFOV, m.pos - 1, 3, level.visited );
 				BArray.or( level.visited, level.heroFOV, m.pos - 1 + level.width(), 3, level.visited );
 				//updates adjacent cells too
 				GameScene.updateFog(m.pos, 2);
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
index 470752af4..bb945951c 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
@@ -205,7 +205,7 @@ public class Hero extends Char {
 	private ArrayList<Mob> visibleEnemies;
 
 	//This list is maintained so that some logic checks can be skipped
-	// for enemies we know we aren't seeing normally, resultign in better performance
+	// for enemies we know we aren't seeing normally, resulting in better performance
 	public ArrayList<Mob> mindVisionEnemies = new ArrayList<>();
 
 	public Hero() {
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
index 798a76ed1..edc648a1e 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
@@ -38,6 +38,7 @@ import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Charm;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Corruption;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Dread;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Hunger;
+import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.MindVision;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Preparation;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Sleep;
 import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.SoulMark;
@@ -66,6 +67,7 @@ import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
 import com.shatteredpixel.shatteredpixeldungeon.levels.features.Chasm;
 import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
 import com.shatteredpixel.shatteredpixeldungeon.plants.Swiftthistle;
+import com.shatteredpixel.shatteredpixeldungeon.scenes.GameScene;
 import com.shatteredpixel.shatteredpixeldungeon.sprites.CharSprite;
 import com.shatteredpixel.shatteredpixeldungeon.utils.GLog;
 import com.watabou.noosa.audio.Sample;
@@ -690,7 +692,12 @@ public abstract class Mob extends Char {
 		super.destroy();
 		
 		Dungeon.level.mobs.remove( this );
-		
+
+		if (Dungeon.hero.buff(MindVision.class) != null){
+			Dungeon.observe();
+			GameScene.updateFog(pos, 2);
+		}
+
 		if (Dungeon.hero.isAlive()) {
 			
 			if (alignment == Alignment.ENEMY) {