diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 2456397a90..bad5b1a8cc 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -561,6 +561,7 @@ requirement.research = Research {0}
 requirement.produce = Produce {0}
 requirement.capture = Capture {0}
 requirement.onplanet = Control Sector On {0}
+requirement.onsector = Land On Sector {0}
 launch.text = Launch
 research.multiplayer = Only the host can research items.
 map.multiplayer = Only the host can view sectors.
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 8c2ce6f11a..0ca01fdfe9 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1096,7 +1096,7 @@ public class Blocks{
 
         //TODO better name
         electrolyzer = new GenericCrafter("electrolyzer"){{
-            requirements(Category.crafting, with(Items.silicon, 50, Items.graphite, 40, Items.beryllium, 50));
+            requirements(Category.crafting, with(Items.silicon, 50, Items.graphite, 40, Items.beryllium, 90, Items.tungsten, 40));
             size = 3;
 
             craftTime = 10f;
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index bb9e1b9010..ec619e11c9 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -20,6 +20,8 @@ public class ErekirTechTree{
         costMultipliers.put(Items.thorium, 9);
         costMultipliers.put(Items.graphite, 9);
 
+        //TODO gate behind capture
+
         Planets.erekir.techTree = nodeRoot("erekir", coreBastion, true, () -> {
             context().researchCostMultipliers = costMultipliers;
 
diff --git a/core/src/mindustry/content/Planets.java b/core/src/mindustry/content/Planets.java
index 6623ab47de..c7fac78826 100644
--- a/core/src/mindustry/content/Planets.java
+++ b/core/src/mindustry/content/Planets.java
@@ -48,6 +48,7 @@ public class Planets{
                 new HexSkyMesh(this, 2, 0.15f, 0.14f, 5, Color.valueOf("eba768").a(0.75f), 2, 0.42f, 1f, 0.43f),
                 new HexSkyMesh(this, 3, 0.6f, 0.15f, 5, Color.valueOf("eea293").a(0.75f), 2, 0.42f, 1.2f, 0.45f)
             );
+            landCloudColor = Color.valueOf("ed6542");
             atmosphereColor = Color.valueOf("f07218");
             startSector = 10;
             atmosphereRadIn = 0.02f;
diff --git a/core/src/mindustry/core/Control.java b/core/src/mindustry/core/Control.java
index 52e00e60ad..fb77e0270d 100644
--- a/core/src/mindustry/core/Control.java
+++ b/core/src/mindustry/core/Control.java
@@ -365,7 +365,7 @@ public class Control implements ApplicationListener, Loadable{
                         //reset wave so things are more fair
                         state.wave = 1;
                         //set up default wave time
-                        state.wavetime = state.rules.waveSpacing * (sector.preset == null ? 2f : sector.preset.startWaveTimeMultiplier);
+                        state.wavetime = state.rules.initialWaveSpacing <= 0f ? (state.rules.waveSpacing * (sector.preset == null ? 2f : sector.preset.startWaveTimeMultiplier)) : state.rules.initialWaveSpacing;
                         //reset captured state
                         sector.info.wasCaptured = false;
                         //re-enable waves
diff --git a/core/src/mindustry/game/Objectives.java b/core/src/mindustry/game/Objectives.java
index af86520fd2..f39e09f001 100644
--- a/core/src/mindustry/game/Objectives.java
+++ b/core/src/mindustry/game/Objectives.java
@@ -68,6 +68,26 @@ public class Objectives{
         }
     }
 
+    public static class OnSector implements Objective{
+        public SectorPreset preset;
+
+        public OnSector(SectorPreset zone){
+            this.preset = zone;
+        }
+
+        protected OnSector(){}
+
+        @Override
+        public boolean complete(){
+            return preset.sector.hasBase();
+        }
+
+        @Override
+        public String display(){
+            return Core.bundle.format("requirement.onsector", preset.localizedName);
+        }
+    }
+
     public static class OnPlanet implements Objective{
         public Planet planet;