diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 9ddebf16a4..70bbc4711a 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1700,12 +1700,12 @@ public class Blocks{
         }};
 
         overflowDuct = new OverflowDuct("overflow-duct"){{
-            requirements(Category.distribution, with(Items.graphite, 8));
+            requirements(Category.distribution, with(Items.graphite, 8, Items.beryllium, 8));
             speed = 4f;
         }};
 
         ductBridge = new DuctBridge("duct-bridge"){{
-            requirements(Category.distribution, with(Items.graphite, 15, Items.tungsten, 5));
+            requirements(Category.distribution, with(Items.graphite, 15, Items.beryllium, 10));
             speed = 4f;
         }};
 
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index d4c8c16f76..762a73317e 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -80,39 +80,41 @@ public class ErekirTechTree{
             });
 
             node(siliconArcFurnace, () -> {
-                node(electrolyzer, () -> {
-                    node(oxidationChamber, () -> {
-                        node(electricHeater, () -> {
-                            node(heatRedirector, () -> {
-
-                            });
-
-                            node(atmosphericConcentrator, () -> {
-                                node(cyanogenSynthesizer, () -> {
+                node(cliffCrusher, () -> {
+                    node(electrolyzer, () -> {
+                        node(oxidationChamber, () -> {
+                            node(electricHeater, () -> {
+                                node(heatRedirector, () -> {
 
                                 });
-                            });
 
-                            node(carbideCrucible, () -> {
-                                node(surgeCrucible, () -> {
-                                    node(phaseSynthesizer, () -> {
-                                        node(phaseHeater, () -> {
+                                node(atmosphericConcentrator, () -> {
+                                    node(cyanogenSynthesizer, () -> {
 
+                                    });
+                                });
+
+                                node(carbideCrucible, () -> {
+                                    node(surgeCrucible, () -> {
+                                        node(phaseSynthesizer, () -> {
+                                            node(phaseHeater, () -> {
+
+                                            });
                                         });
                                     });
                                 });
                             });
                         });
-                    });
 
-                    node(slagIncinerator, () -> {
+                        node(slagIncinerator, () -> {
 
-                        node(slagCentrifuge, () -> {
+                            node(slagCentrifuge, () -> {
 
-                        });
+                            });
 
-                        node(heatReactor, () -> {
+                            node(heatReactor, () -> {
 
+                            });
                         });
                     });
                 });
@@ -120,14 +122,13 @@ public class ErekirTechTree{
 
             //TODO move into turbine condenser?
             node(plasmaBore, () -> {
-                node(cliffCrusher, () -> {
-                    node(largePlasmaBore, () -> {
 
-                    });
+                node(largePlasmaBore, () -> {
 
-                    node(impactDrill, () -> {
+                });
+
+                node(impactDrill, () -> {
 
-                    });
                 });
             });
 
diff --git a/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java b/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
index 5dbad79057..5a92c99e13 100644
--- a/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
+++ b/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
@@ -190,7 +190,7 @@ public class ErekirPlanetGenerator extends PlanetGenerator{
                 if(nearAir(x, y)){
                     if(block == Blocks.carbonWall && noise(x + 78, y, 4, 0.7f, 33f, 1f) > 0.52f){
                         block = Blocks.graphiticWall;
-                    }else if(block != Blocks.carbonWall && noise(x + 782, y, 4, 0.8f, 38f, 1f) > 0.68f){
+                    }else if(block != Blocks.carbonWall && noise(x + 782, y, 4, 0.8f, 38f, 1f) > 0.665f){
                         ore = Blocks.wallOreBeryl;
                     }
                     //TODO generate tungsten, or not?