diff --git a/core/assets-raw/sprites/blocks/production/silicon-arc-furnace-bottom.png b/core/assets-raw/sprites/blocks/production/silicon-arc-furnace-bottom.png
index cc9cacb3f8..4f4b6a2b8f 100644
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diff --git a/core/assets-raw/sprites/blocks/storage/core-citadel-team.png b/core/assets-raw/sprites/blocks/storage/core-citadel-team.png
new file mode 100644
index 0000000000..c4412053d9
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diff --git a/core/assets-raw/sprites/blocks/storage/core-citadel-thruster1.png b/core/assets-raw/sprites/blocks/storage/core-citadel-thruster1.png
new file mode 100644
index 0000000000..a637342ac9
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diff --git a/core/assets-raw/sprites/blocks/storage/core-citadel-thruster2.png b/core/assets-raw/sprites/blocks/storage/core-citadel-thruster2.png
new file mode 100644
index 0000000000..e09884a489
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diff --git a/core/assets-raw/sprites/blocks/storage/core-citadel.png b/core/assets-raw/sprites/blocks/storage/core-citadel.png
new file mode 100644
index 0000000000..795eb990b2
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diff --git a/core/assets/icons/icons.properties b/core/assets/icons/icons.properties
index 3e9805ee66..a5bfbe9482 100755
--- a/core/assets/icons/icons.properties
+++ b/core/assets/icons/icons.properties
@@ -433,3 +433,4 @@
 63275=reinforced-liquid-tank|block-reinforced-liquid-tank-ui
 63274=reinforced-bridge-conduit|block-reinforced-bridge-conduit-ui
 63273=core-aegis|block-core-aegis-ui
+63272=core-citadel|block-core-citadel-ui
diff --git a/core/assets/logicids.dat b/core/assets/logicids.dat
index e86a9ebbf6..9aa5dac48f 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 4b545dd5a5..854b556cd8 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -95,7 +95,7 @@ public class Blocks implements ContentList{
     //storage
     coreShard, coreFoundation, coreNucleus, vault, container, unloader,
     //storage - erekir
-    coreBastion, coreAegis,
+    coreBastion, coreAegis, coreCitadel,
 
     //turrets
     duo, scatter, scorch, hail, arc, wave, lancer, swarmer, salvo, fuse, ripple, cyclone, foreshadow, spectre, meltdown, segment, parallax, tsunami,
@@ -733,7 +733,6 @@ public class Blocks implements ContentList{
             itemCapacity = 30;
             drawer = new DrawArcSmelter();
 
-            //TODO don't use sand?
             consumes.items(with(Items.graphite, 1, Items.sand, 4));
             consumes.power(6f);
         }};
@@ -1825,6 +1824,7 @@ public class Blocks implements ContentList{
         }};
 
         coreAegis = new CoreBlock("core-aegis"){{
+            //TODO cost
             requirements(Category.effect, BuildVisibility.editorOnly, with(Items.beryllium, 2000, Items.graphite, 2000, Items.tungsten, 1000));
 
             unitType = UnitTypes.evoke;
@@ -1837,6 +1837,20 @@ public class Blocks implements ContentList{
             researchCostMultiplier = 0.07f;
         }};
 
+        coreCitadel = new CoreBlock("core-citadel"){{
+            //TODO cost
+            requirements(Category.effect, with(Items.beryllium, 7000, Items.graphite, 7000, Items.tungsten, 5000, Items.carbide, 5000));
+
+            unitType = UnitTypes.gamma;
+            health = 14000;
+            itemCapacity = 11000;
+            size = 5;
+            thrusterLength = 40/4f;
+
+            unitCapModifier = 30;
+            researchCostMultiplier = 0.11f;
+        }};
+
         vault = new StorageBlock("vault"){{
             requirements(Category.effect, with(Items.titanium, 250, Items.thorium, 125));
             size = 3;