diff --git a/core/assets-raw/sprites/blocks/environment/ore-wall-thorium1.png b/core/assets-raw/sprites/blocks/environment/ore-wall-thorium1.png
new file mode 100644
index 0000000000..474c51942c
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diff --git a/core/assets-raw/sprites/blocks/environment/ore-wall-thorium2.png b/core/assets-raw/sprites/blocks/environment/ore-wall-thorium2.png
new file mode 100644
index 0000000000..4ea1ec3065
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diff --git a/core/assets-raw/sprites/blocks/environment/ore-wall-thorium3.png b/core/assets-raw/sprites/blocks/environment/ore-wall-thorium3.png
new file mode 100644
index 0000000000..266b53f814
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diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index bef9ebc7cb..a99ce0931f 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -46,7 +46,6 @@ public class Blocks{
     redmat, bluemat,
     stoneWall, dirtWall, sporeWall, iceWall, daciteWall, sporePine, snowPine, pine, shrubs, whiteTree, whiteTreeDead, sporeCluster,
     redweed, purbush, yellowCoral,
-    //TODO rename steamvent to rhyolite vent, maybe add red vent or crystal vent
     rhyoliteVent, carbonVent, arkyicVent, yellowStoneVent, redStoneVent,
     regolithWall, yellowStoneWall, rhyoliteWall, carbonWall, redIceWall, ferricStoneWall, beryllicStoneWall, arkyicWall, crystallineStoneWall, redStoneWall, redDiamondWall,
     ferricStone, ferricCraters, carbonStone, beryllicStone, crystallineStone, crystalFloor, yellowStonePlates,
@@ -60,7 +59,7 @@ public class Blocks{
 
     //ores
     oreCopper, oreLead, oreScrap, oreCoal, oreTitanium, oreThorium,
-    oreTungsten, oreCrystalThorium,
+    oreTungsten, oreCrystalThorium, wallOreThorium,
 
     //wall ores
     wallOreBeryl, graphiticWall, wallOreTungsten,
@@ -828,6 +827,10 @@ public class Blocks{
 
         oreCrystalThorium = new OreBlock("ore-crystal-thorium", Items.thorium);
 
+        wallOreThorium = new OreBlock("ore-wall-thorium", Items.thorium){{
+            wallOre = true;
+        }};
+
         wallOreBeryl = new OreBlock("ore-wall-beryllium", Items.beryllium){{
             wallOre = true;
         }};
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index ecf770ee3e..b9115dbf5a 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -93,7 +93,7 @@ public class ErekirTechTree{
             //TODO move into turbine condenser?
             node(plasmaBore, () -> {
                 node(impactDrill, Seq.with(new OnSector(aware)), () -> {
-                    node(largePlasmaBore, Seq.with(new OnSector(four)), () -> {
+                    node(largePlasmaBore, Seq.with(new OnSector(five)), () -> {
                         node(eruptionDrill, () -> {
 
                         });
@@ -203,7 +203,7 @@ public class ErekirTechTree{
 
                 node(sublimate, () -> {
                     //TODO implement
-                    node(titan, () -> {
+                    node(titan, Seq.with(new OnSector(five)), () -> {
 
                     });