diff --git a/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-0.png b/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-0.png
new file mode 100644
index 0000000000..2de29f2ee5
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diff --git a/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-1.png b/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-1.png
new file mode 100644
index 0000000000..24700e6f14
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diff --git a/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-2.png b/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-2.png
new file mode 100644
index 0000000000..a28ab6d617
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diff --git a/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-3.png b/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-3.png
new file mode 100644
index 0000000000..52f1b8b392
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diff --git a/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-4.png b/core/assets-raw/sprites/blocks/distribution/ducts/armored-duct-top-4.png
new file mode 100644
index 0000000000..6d529f2a4b
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diff --git a/core/assets/icons/icons.properties b/core/assets/icons/icons.properties
index 362ff0fca5..2f5ba9c1ca 100755
--- a/core/assets/icons/icons.properties
+++ b/core/assets/icons/icons.properties
@@ -546,3 +546,4 @@
 63146=alphaaaa|alphaaaa
 63145=malis|team-malis
 63144=canvas|block-canvas-ui
+63143=armored-duct|block-armored-duct-ui
diff --git a/core/assets/logicids.dat b/core/assets/logicids.dat
index 17c2dd1ee2..513a3cec41 100644
Binary files a/core/assets/logicids.dat and b/core/assets/logicids.dat differ
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index aa822b728f..3a6afb350b 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -97,7 +97,7 @@ public class Blocks{
     overflowGate, underflowGate, massDriver,
 
     //transport - alternate
-    duct, ductRouter, overflowDuct, ductBridge, ductUnloader,
+    duct, armoredDuct, ductRouter, overflowDuct, ductBridge, ductUnloader,
     surgeConveyor, surgeRouter,
 
     unitCargoLoader, unitCargoUnloadPoint,
@@ -1699,12 +1699,12 @@ public class Blocks{
         }};
 
         radar = new Radar("radar"){{
-            requirements(Category.effect, BuildVisibility.fogOnly, with(Items.silicon, 40, Items.graphite, 40));
+            requirements(Category.effect, BuildVisibility.fogOnly, with(Items.silicon, 50, Items.graphite, 50));
             outlineColor = Color.valueOf("4a4b53");
-            fogRadius = 28;
+            fogRadius = 33;
             researchCost = with(Items.silicon, 70, Items.graphite, 70);
 
-            consumePower(0.15f);
+            consumePower(0.6f);
         }};
 
         buildTower = new BuildTurret("build-tower"){{
@@ -1887,6 +1887,14 @@ public class Blocks{
             researchCost = with(Items.beryllium, 5);
         }};
 
+        armoredDuct = new Duct("armored-duct"){{
+            requirements(Category.distribution, with(Items.beryllium, 2, Items.tungsten, 1));
+            health = 140;
+            speed = 4f;
+            armored = true;
+            researchCost = with(Items.beryllium, 300, Items.tungsten, 100);
+        }};
+
         ductRouter = new DuctRouter("duct-router"){{
             requirements(Category.distribution, with(Items.beryllium, 10));
             health = 90;
@@ -3007,6 +3015,7 @@ public class Blocks{
                 //TODO merge
                 chargeEffect = new MultiEffect(Fx.lancerLaserCharge, Fx.lancerLaserChargeBegin);
 
+                buildingDamageMultiplier = 0.25f;
                 hitEffect = Fx.hitLancer;
                 hitSize = 4;
                 lifetime = 16f;
@@ -3014,7 +3023,6 @@ public class Blocks{
                 collidesAir = false;
                 length = 173f;
                 ammoMultiplier = 1f;
-
                 pierceCap = 4;
             }};
         }};
@@ -3026,6 +3034,21 @@ public class Blocks{
                 lightningLength = 25;
                 collidesAir = false;
                 ammoMultiplier = 1f;
+
+                //for visual stats only.
+                buildingDamageMultiplier = 0.25f;
+
+                lightningType = new BulletType(0.0001f, 0f){{
+                    lifetime = Fx.lightning.lifetime;
+                    hitEffect = Fx.hitLancer;
+                    despawnEffect = Fx.none;
+                    status = StatusEffects.shocked;
+                    statusDuration = 10f;
+                    hittable = false;
+                    lightColor = Color.white;
+                    collidesGround = false;
+                    buildingDamageMultiplier = 0.25f;
+                }};
             }};
             reload = 35f;
             shootCone = 40f;
@@ -3653,6 +3676,7 @@ public class Blocks{
                 trailWidth = 2.1f;
                 trailLength = 10;
                 hitEffect = despawnEffect = Fx.hitBulletColor;
+                buildingDamageMultiplier = 0.5f;
             }},
             Items.tungsten, new BasicBulletType(8f, 185){{
                 width = 13f;
@@ -3671,6 +3695,7 @@ public class Blocks{
                 trailLength = 11;
                 hitEffect = despawnEffect = Fx.hitBulletColor;
                 rangeChange = 40f;
+                buildingDamageMultiplier = 0.5f;
             }}
             );
 
@@ -3748,6 +3773,7 @@ public class Blocks{
                 length = r;
                 knockback = 1f;
                 pierceCap = 3;
+                buildingDamageMultiplier = 0.5f;
 
                 colors = new Color[]{Color.valueOf("eb7abe").a(0.55f), Color.valueOf("e189f5").a(0.7f), Color.valueOf("907ef7").a(0.8f), Color.valueOf("91a4ff"), Color.white};
             }},
@@ -3757,6 +3783,7 @@ public class Blocks{
                 length = r + rangeChange;
                 knockback = 2f;
                 pierceCap = 4;
+                buildingDamageMultiplier = 0.5f;
 
                 colors = new Color[]{Color.valueOf("465ab8").a(0.55f), Color.valueOf("66a6d2").a(0.7f), Color.valueOf("89e8b6").a(0.8f), Color.valueOf("cafcbe"), Color.white};
                 flareColor = Color.valueOf("89e8b6");
@@ -3804,6 +3831,7 @@ public class Blocks{
                 trailInterp = v -> Math.max(Mathf.slope(v), 0.8f);
                 shrinkX = 0.2f;
                 shrinkY = 0.1f;
+                buildingDamageMultiplier = 0.25f;
             }}
             );
 
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index 2d05ba32a0..4d76f7bdb8 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -73,8 +73,10 @@ public class ErekirTechTree{
             node(duct, erekirSector, () -> {
                 node(ductRouter, () -> {
                     node(ductBridge, () -> {
-                        node(surgeConveyor, () -> {
-                            node(surgeRouter);
+                        node(armoredDuct, () -> {
+                            node(surgeConveyor, () -> {
+                                node(surgeRouter);
+                            });
                         });
 
                         node(unitCargoLoader, () -> {
diff --git a/core/src/mindustry/entities/Damage.java b/core/src/mindustry/entities/Damage.java
index 7ee218222f..c2ca7c1b15 100644
--- a/core/src/mindustry/entities/Damage.java
+++ b/core/src/mindustry/entities/Damage.java
@@ -462,7 +462,7 @@ public class Damage{
 
         if(ground){
             if(!complete){
-                tileDamage(team, World.toTile(x), World.toTile(y), radius / tilesize, damage, source);
+                tileDamage(team, World.toTile(x), World.toTile(y), radius / tilesize, damage * (source == null ? 1f : source.type.buildingDamageMultiplier), source);
             }else{
                 completeDamage(team, x, y, radius, damage);
             }
diff --git a/core/src/mindustry/world/blocks/defense/Radar.java b/core/src/mindustry/world/blocks/defense/Radar.java
index ed92b8a057..624b93053f 100644
--- a/core/src/mindustry/world/blocks/defense/Radar.java
+++ b/core/src/mindustry/world/blocks/defense/Radar.java
@@ -15,7 +15,7 @@ import mindustry.world.meta.*;
 import static mindustry.Vars.*;
 
 public class Radar extends Block{
-    public float discoveryTime = 60f * 7f;
+    public float discoveryTime = 60f * 10f;
     public float rotateSpeed = 2f;
 
     public @Load("@-base") TextureRegion baseRegion;
diff --git a/core/src/mindustry/world/blocks/distribution/Duct.java b/core/src/mindustry/world/blocks/distribution/Duct.java
index 73272b78c2..d84340de68 100644
--- a/core/src/mindustry/world/blocks/distribution/Duct.java
+++ b/core/src/mindustry/world/blocks/distribution/Duct.java
@@ -22,6 +22,7 @@ import static mindustry.Vars.*;
 
 public class Duct extends Block implements Autotiler{
     public float speed = 5f;
+    public boolean armored = false;
 
     public @Load(value = "@-top-#", length = 5) TextureRegion[] topRegions;
     public @Load(value = "@-bottom-#", length = 5, fallback = "duct-bottom-#") TextureRegion[] botRegions;
@@ -74,7 +75,12 @@ public class Duct extends Block implements Autotiler{
 
     @Override
     public boolean blends(Tile tile, int rotation, int otherx, int othery, int otherrot, Block otherblock){
-        return (otherblock.outputsItems() && blendsArmored(tile, rotation, otherx, othery, otherrot, otherblock)) || (lookingAt(tile, rotation, otherx, othery, otherblock) && otherblock.hasItems);
+        if(!armored){
+            return (otherblock.outputsItems() || (lookingAt(tile, rotation, otherx, othery, otherblock) && otherblock.hasItems))
+            && lookingAtEither(tile, rotation, otherx, othery, otherrot, otherblock);
+        }else{
+            return (otherblock.outputsItems() && blendsArmored(tile, rotation, otherx, othery, otherrot, otherblock)) || (lookingAt(tile, rotation, otherx, othery, otherblock) && otherblock.hasItems);
+        }
     }
 
     @Override
@@ -162,7 +168,12 @@ public class Duct extends Block implements Autotiler{
         @Override
         public boolean acceptItem(Building source, Item item){
             return current == null && items.total() == 0 &&
-                ((source.block.rotate && source.front() == this && source.block.hasItems) || Edges.getFacingEdge(source.tile(), tile).relativeTo(tile) == rotation);
+                (armored ?
+                    //armored acceptance
+                    ((source.block.rotate && source.front() == this && source.block.hasItems) || Edges.getFacingEdge(source.tile(), tile).relativeTo(tile) == rotation) :
+                    //standard acceptance - do not accept from front
+                    !(source.block.rotate && next == source) && Math.abs(Edges.getFacingEdge(source.tile, tile).relativeTo(tile.x, tile.y) - rotation) != 2
+                );
         }
 
         @Override