diff --git a/core/assets/maps/aware.msav b/core/assets/maps/aware.msav
index 5c0a0b0bbf..3acacd3bbc 100644
Binary files a/core/assets/maps/aware.msav and b/core/assets/maps/aware.msav differ
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 2944ffc5ab..8ca0ea5209 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -3694,7 +3694,7 @@ public class Blocks{
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 100, Items.tungsten, 100));
 
-            constructTime = 60f * 20f;
+            constructTime = 60f * 50f;
 
             upgrades.addAll(
             new UnitType[]{UnitTypes.stell, UnitTypes.locus}
@@ -3710,7 +3710,7 @@ public class Blocks{
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 100, Items.tungsten, 100));
 
-            constructTime = 60f * 20f;
+            constructTime = 60f * 50f;
 
             upgrades.addAll(
             new UnitType[]{UnitTypes.stell, UnitTypes.latum}
@@ -3726,7 +3726,7 @@ public class Blocks{
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 100, Items.tungsten, 100));
 
-            constructTime = 60f * 20f;
+            constructTime = 60f * 50f;
 
             upgrades.addAll(
             new UnitType[]{UnitTypes.stell, UnitTypes.avert}
diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index fb13823e30..b4a628a39d 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -68,9 +68,12 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
     transient float payloadRotation;
     transient String lastAccessed;
     transient boolean wasDamaged; //used only by the indexer
-    transient boolean wasVisible; //used only by the block renderer when fog is on (TODO replace with discovered check?)
     transient float visualLiquid;
 
+    /** TODO Each bit corresponds to a team ID. Only 64 are supported. */
+    transient long visibleFlags;
+    transient boolean wasVisible; //used only by the block renderer when fog is on (TODO replace with discovered check?)
+
     transient boolean enabled = true;
     transient @Nullable Building lastDisabler;