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 9628903ca..90485edd2 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
@@ -1719,7 +1719,7 @@ public class Hero extends Char {
 				if (fieldOfView[p] && p != pos) {
 					
 					if (intentional) {
-						sprite.parent.addToBack( new CheckedCell( p ) );
+						sprite.parent.addToBack(new CheckedCell(p, pos));
 					}
 					
 					if (Dungeon.level.secret[p]){
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/effects/CheckedCell.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/effects/CheckedCell.java
index a2dddb631..582c49d91 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/effects/CheckedCell.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/effects/CheckedCell.java
@@ -21,6 +21,7 @@
 
 package com.shatteredpixel.shatteredpixeldungeon.effects;
 
+import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
 import com.shatteredpixel.shatteredpixeldungeon.tiles.DungeonTilemap;
 import com.watabou.gltextures.TextureCache;
 import com.watabou.noosa.Game;
@@ -29,6 +30,7 @@ import com.watabou.noosa.Image;
 public class CheckedCell extends Image {
 	
 	private float alpha;
+	private float delay;
 	
 	public CheckedCell( int pos ) {
 		super( TextureCache.createSolid( 0xFF55AAFF ) );
@@ -41,10 +43,19 @@ public class CheckedCell extends Image {
 		
 		alpha = 0.8f;
 	}
+
+	public CheckedCell( int pos, int visSource ) {
+		this( pos );
+		delay = (Dungeon.level.trueDistance(pos, visSource)-1f);
+		//steadily accelerates as distance increases
+		if (delay > 0) delay = (float)Math.pow(delay, 0.75f)/10f;
+	}
 	
 	@Override
 	public void update() {
-		if ((alpha -= Game.elapsed) > 0) {
+		if ((delay -= Game.elapsed) > 0){
+			alpha( 0 );
+		} else if ((alpha -= Game.elapsed) > 0) {
 			alpha( alpha );
 			scale.set( DungeonTilemap.SIZE * alpha );
 		} else {
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/stones/StoneOfClairvoyance.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/stones/StoneOfClairvoyance.java
index 09f217707..b46265062 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/stones/StoneOfClairvoyance.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/stones/StoneOfClairvoyance.java
@@ -61,8 +61,8 @@ public class StoneOfClairvoyance extends Runestone {
 			right = Math.min(Dungeon.level.width()-1, c.x + c.x - left);
 			left = Math.max(0, left);
 			for (curr = left + y * Dungeon.level.width(); curr <= right + y * Dungeon.level.width(); curr++){
-				
-				curUser.sprite.parent.addToBack( new CheckedCell( curr ) );
+
+				curUser.sprite.parent.addToBack( new CheckedCell( curr, cell ) );
 				Dungeon.level.mapped[curr] = true;
 				
 				if (Dungeon.level.secret[curr]) {