diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 2f3925773c..725e30b477 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -900,6 +900,7 @@ ability.statusfield = {0} Status Field
 ability.unitspawn = {0} Factory
 ability.shieldregenfield = Shield Regen Field
 ability.movelightning = Movement Lightning
+ability.shieldarc = Shield Arc
 ability.energyfield = Energy Field: [accent]{0}[] damage ~ [accent]{1}[] blocks / [accent]{2}[] targets
 
 bar.onlycoredeposit = Only Core Depositing Allowed
diff --git a/core/src/mindustry/ai/ControlPathfinder.java b/core/src/mindustry/ai/ControlPathfinder.java
index 2d590f0088..6113faaa9e 100644
--- a/core/src/mindustry/ai/ControlPathfinder.java
+++ b/core/src/mindustry/ai/ControlPathfinder.java
@@ -22,7 +22,7 @@ public class ControlPathfinder{
     private static final long maxUpdate = Time.millisToNanos(30);
     private static final int updateFPS = 60;
     private static final int updateInterval = 1000 / updateFPS;
-    private static final int wallImpassableCap = 100_000;
+    private static final int wallImpassableCap = 1_000_000;
 
     public static final PathCost
 
@@ -134,13 +134,17 @@ public class ControlPathfinder{
                             }
                         }
                     }else{
+                        var view = Core.camera.bounds(Tmp.r1);
                         int len = req.frontier.size;
                         float[] weights = req.frontier.weights;
                         int[] poses = req.frontier.queue;
-                        for(int i = 0; i < len; i++){
-                            Draw.color(Tmp.c1.set(Color.white).fromHsv((weights[i] * 4f) % 360f, 1f, 0.9f));
+                        for(int i = 0; i < Math.min(len, 1000); i++){
                             int pos = poses[i];
-                            Lines.square(pos % wwidth * tilesize, pos / wwidth * tilesize, 4f);
+                            if(view.contains(pos % wwidth * tilesize, pos / wwidth * tilesize)){
+                                Draw.color(Tmp.c1.set(Color.white).fromHsv((weights[i] * 4f) % 360f, 1f, 0.9f));
+
+                                Lines.square(pos % wwidth * tilesize, pos / wwidth * tilesize, 4f);
+                            }
                         }
                     }
                     Draw.reset();
@@ -529,6 +533,8 @@ public class ControlPathfinder{
                     float add = tileCost(team, cost, current, next);
                     float currentCost = costs.get(current);
 
+                    if(add < 0) continue;
+
                     //the cost can include an impassable enemy wall, so cap the cost if so and add the base cost instead
                     //essentially this means that any path with enemy walls will only count the walls once, preventing strange behavior like avoiding based on wall count
                     float newCost = currentCost >= wallImpassableCap && add >= wallImpassableCap ? currentCost + add - wallImpassableCap : currentCost + add;
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index b87623e80c..19dc1f0c2f 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -4367,10 +4367,10 @@ public class Blocks{
         lustre = new ContinuousTurret("lustre"){{
             requirements(Category.turret, with(Items.silicon, 250, Items.graphite, 200, Items.oxide, 50, Items.carbide, 90));
 
-            range = 100f;
+            range = 130f;
 
             shootType = new PointLaserBulletType(){{
-                damage = 140f;
+                damage = 180f;
                 buildingDamageMultiplier = 0.3f;
                 hitColor = Color.valueOf("fda981");
             }};