diff --git a/src/fos/content/FOSBlocks.java b/src/fos/content/FOSBlocks.java
index 564505d..747cafb 100644
--- a/src/fos/content/FOSBlocks.java
+++ b/src/fos/content/FOSBlocks.java
@@ -2135,7 +2135,10 @@ public void setBars() {
         surfaceDetonator = new SurfaceExplosive("surface-detonator"){{
             health = 160;
             size = 3;
-            requirements(Category.effect, with(diamond, 100, brass, 75, vanadium, 100)); // TODO: temporary recipe
+            hasItems = true;
+            itemCapacity = 15;
+            consumeItem(sulphur, 15);
+            requirements(Category.effect, with(diamond, 50, brass, 50, vanadium, 50));
         }};
         orbitalAccelerator = new OrbitalAccelerator("orbital-accelerator"){{
             health = 5000;
diff --git a/src/fos/content/FOSItems.java b/src/fos/content/FOSItems.java
index da3f38d..41c3fbc 100644
--- a/src/fos/content/FOSItems.java
+++ b/src/fos/content/FOSItems.java
@@ -44,6 +44,7 @@ public static void load(){
         }};
         sulphur = new Item("sulphur", Color.valueOf("f0b454")){{
             flammability = 0.6f;
+            explosiveness = 0.4f;
             cost = 0.5f;
         }};
         cuberium = new Item("cuberium", Color.valueOf("855992")){{
diff --git a/src/fos/content/LumoniTechTree.java b/src/fos/content/LumoniTechTree.java
index bbf57da..b208554 100644
--- a/src/fos/content/LumoniTechTree.java
+++ b/src/fos/content/LumoniTechTree.java
@@ -98,29 +98,6 @@ public static void load() {
                 soontm();
             });
 
-            // DRILLS
-            node(crudeDrill, () -> {
-                node(improvedDrill, Seq.with(new OnSector(ruins)), () -> {
-                    node(draugFactory, Seq.with(new SectorComplete(zincMiningSite)), () ->
-                        node(draug, ItemStack.with(), Seq.with(new Research(draugFactory)), () -> {})
-                    );
-                    soontm();
-/*
-                    node(proficientDrill));
-*/
-                });
-            });
-
-            // UNDERGROUND DRILLS
-            node(zincDrill, () ->
-                node(silverDrill, () -> {
-                    node(diamondDrill, Seq.with(new OnSector(intruders)), () -> {
-                        node(surfaceDetonator);
-                        soontm();
-                    });
-                })
-            );
-
             // DEFENCE
             node(helix, Seq.with(new OnSector(ruins)), () -> {
                 node(sticker, () -> {
@@ -148,7 +125,30 @@ public static void load() {
                 });
             });
 
-            // FLUIDS
+            // DRILLS
+            node(crudeDrill, () -> {
+                node(improvedDrill, Seq.with(new OnSector(ruins)), () -> {
+                    node(draugFactory, Seq.with(new SectorComplete(zincMiningSite)), () ->
+                        node(draug, ItemStack.with(), Seq.with(new Research(draugFactory)), () -> {})
+                    );
+                    soontm();
+/*
+                    node(proficientDrill));
+*/
+                });
+            });
+
+            // UNDERGROUND DRILLS
+            node(zincDrill, () ->
+                node(silverDrill, () -> {
+                    node(diamondDrill, Seq.with(new OnSector(intruders)), () -> {
+                        node(surfaceDetonator);
+                        soontm();
+                    });
+                })
+            );
+
+            // FLUID BLOCKS
             node(pneumaticPump, () -> {
                 node(pumpjack);
                 node(copperPipe, () -> {
@@ -243,18 +243,13 @@ public static void load() {
                 nodeProduce(silver, () ->
                     nodeProduce(diamond, () -> {
                         nodeProduce(silicon, () -> {});
-                        nodeProduce(vanadium, () ->
-                            soontm()
-/*
-                            nodeProduce(nickel, () ->
-                                nodeProduce(luminium, () -> {})
-                            )
-*/
-                        );
-                        soontm();
+                        nodeProduce(vanadium, () -> {
+                            nodeProduce(sulphur, Seq.with(new Research(arkyciteRefinery)), () -> {});
+                            soontm();
 /*
-                        nodeProduce(sulphur, Seq.with(new Research(arkyciteRefinery)), () -> {});
+                            nodeProduce(nickel)
 */
+                        });
                     })
                 );
                 nodeProduce(copper, () ->
@@ -266,8 +261,8 @@ public static void load() {
             nodeProduce(water, () -> {
                 nodeProduce(tokicite, () -> {});
                 nodeProduce(arkycite, () -> {
-                    soontm();
-                    //nodeProduce(oil, () -> {});
+                    nodeProduce(oil, () -> {});
+                    nodeProduce(nitrogen, () -> {});
                 });
             });
 
diff --git a/src/fos/type/blocks/special/SurfaceExplosive.java b/src/fos/type/blocks/special/SurfaceExplosive.java
index c8fd9a7..f3085b9 100644
--- a/src/fos/type/blocks/special/SurfaceExplosive.java
+++ b/src/fos/type/blocks/special/SurfaceExplosive.java
@@ -2,6 +2,7 @@
 
 import arc.audio.Sound;
 import arc.graphics.Color;
+import arc.graphics.g2d.Draw;
 import arc.math.Mathf;
 import arc.math.geom.*;
 import arc.struct.Seq;
@@ -16,7 +17,7 @@
 import mindustry.ui.Fonts;
 import mindustry.world.*;
 
-import static fos.content.FOSBlocks.tokiciteFloor;
+import static fos.content.FOSBlocks.*;
 import static mindustry.Vars.*;
 import static mindustry.content.Blocks.*;
 
@@ -28,7 +29,7 @@ public class SurfaceExplosive extends Block {
     public Sound explosionSound = Sounds.explosionbig;
     public float explosionShake = 10f;
     public float damage = 2000f;
-    public Seq<Block> bannedFloors = Seq.with(arkyicStone, arkyciteFloor, tokiciteFloor, deepwater);
+    public Seq<Block> bannedFloors = Seq.with(arkyicStone, arkyciteFloor, tokiciteFloor, murmur, deepwater);
 
     public SurfaceExplosive(String name) {
         super(name);
@@ -70,16 +71,18 @@ public class SurfaceExplosiveBuild extends Building {
         public void draw() {
             super.draw();
 
-            Fonts.def.draw(Strings.fixed(Mathf.ceil(counter / 60f), 0), x, y + 2, Pal.redSpark, 0.2f, false, Align.center);
+            Draw.z(Layer.endPixeled);
+            if (counter < 180f)
+                Fonts.def.draw(Strings.fixed(Mathf.ceil(counter / 60f), 0), x, y + 2, Pal.redSpark, 0.2f, false, Align.center);
         }
 
         @Override
         public void updateTile() {
-            if (counter <= 0) {
+            if (counter <= 0)
                 detonate();
-            }
 
-            counter -= Time.delta;
+            if (canConsume())
+                counter -= Time.delta;
         }
 
         // hard-coded for now