diff --git a/core/assets/maps/onset.msav b/core/assets/maps/onset.msav
index 9ea9f672f9..a3d93eda5e 100644
Binary files a/core/assets/maps/onset.msav and b/core/assets/maps/onset.msav differ
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index ef60a72ba6..04ad8e54eb 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -14,11 +14,11 @@ public class ErekirTechTree{
         Seq<Objective> erekirSector = Seq.with(new OnPlanet(Planets.erekir));
 
         var costMultipliers = new ObjectFloatMap<Item>();
-        costMultipliers.put(Items.silicon, 7);
+        costMultipliers.put(Items.silicon, 8);
         costMultipliers.put(Items.surgeAlloy, 4);
         costMultipliers.put(Items.phaseFabric, 4);
-        costMultipliers.put(Items.thorium, 8);
-        costMultipliers.put(Items.graphite, 6);
+        costMultipliers.put(Items.thorium, 9);
+        costMultipliers.put(Items.graphite, 8);
 
         Planets.erekir.techTree = nodeRoot("erekir", coreBastion, true, () -> {
             context().researchCostMultipliers = costMultipliers;