diff --git a/src/main/java/com/volmit/iris/engine/IrisWorldManager.java b/src/main/java/com/volmit/iris/engine/IrisWorldManager.java
index 0b0cd93f3..27b1d1140 100644
--- a/src/main/java/com/volmit/iris/engine/IrisWorldManager.java
+++ b/src/main/java/com/volmit/iris/engine/IrisWorldManager.java
@@ -205,11 +205,12 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                             J.a(() -> getMantle().raiseFlag(finalX, finalZ, MantleFlag.INITIAL_SPAWNED_MARKER,
                                 () -> {
                                     J.a(() -> spawnIn(cx, true), RNG.r.i(5, 200));
-                                    getSpawnersFromMarkers(cx).forEach((block, spawners) -> {
+                                    getSpawnersFromMarkers(cx).forEach((blockf, spawners) -> {
                                         if(spawners.isEmpty()) {
                                             return;
                                         }
 
+                                        IrisPosition block = new IrisPosition(blockf.getX(), blockf.getY() + getEngine().getWorld().minHeight(), blockf.getZ());
                                         IrisSpawner s = new KList<>(spawners).getRandom();
                                         spawn(block, s, true);
                                     });
@@ -321,11 +322,12 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
         //@done
 
         if(IrisSettings.get().getWorld().isMarkerEntitySpawningSystem()) {
-            getSpawnersFromMarkers(c).forEach((block, spawners) -> {
+            getSpawnersFromMarkers(c).forEach((blockf, spawners) -> {
                 if(spawners.isEmpty()) {
                     return;
                 }
 
+                IrisPosition block = new IrisPosition(blockf.getX(), blockf.getY() + getEngine().getWorld().minHeight(), blockf.getZ());
                 IrisSpawner s = new KList<>(spawners).getRandom();
                 spawn(block, s, false);
                 J.a(() -> getMantle().raiseFlag(c.getX(), c.getZ(), MantleFlag.INITIAL_SPAWNED_MARKER,
diff --git a/src/main/java/com/volmit/iris/engine/framework/Engine.java b/src/main/java/com/volmit/iris/engine/framework/Engine.java
index 7e56d208d..b65fce4c5 100644
--- a/src/main/java/com/volmit/iris/engine/framework/Engine.java
+++ b/src/main/java/com/volmit/iris/engine/framework/Engine.java
@@ -280,7 +280,8 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
                 PrecisionStopwatch p = PrecisionStopwatch.start();
                 KMap<Long, Integer> updates = new KMap<>();
                 RNG r = new RNG(Cache.key(c.getX(), c.getZ()));
-                getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, y, z, v) -> {
+                getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, yf, z, v) -> {
+                    int y = yf + getWorld().minHeight();
                     if(!B.isFluid(c.getBlock(x & 15, y, z & 15).getBlockData())) {
                         return;
                     }
@@ -309,7 +310,8 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
                 });
 
                 updates.forEach((k, v) -> update(Cache.keyX(k), v, Cache.keyZ(k), c, r));
-                getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, y, z, v) -> {
+                getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, yf, z, v) -> {
+                    int y = yf + getWorld().minHeight();
                     if(v != null && v.isUpdate()) {
                         int vx = x & 15;
                         int vz = z & 15;