diff --git a/data/uking_functions.csv b/data/uking_functions.csv
index 27559ca2..4993e887 100644
--- a/data/uking_functions.csv
+++ b/data/uking_functions.csv
@@ -76045,9 +76045,9 @@
 0x0000007100e422c8,sub_7100E422C8,356,
 0x0000007100e4242c,sub_7100E4242C,96,
 0x0000007100e4248c,sub_7100E4248C,104,
-0x0000007100e424f4,Ecosystem::LevelSensor::ctor,40,
-0x0000007100e4251c,Ecosystem::LevelSensor::dtor,72,
-0x0000007100e42564,Ecosystem::LevelSensor::dtor_delete,80,
+0x0000007100e424f4,Ecosystem::LevelSensor::ctor,40,_ZN4ksys3eco11LevelSensorC1Ev
+0x0000007100e4251c,Ecosystem::LevelSensor::dtor,72,_ZN4ksys3eco11LevelSensorD1Ev
+0x0000007100e42564,Ecosystem::LevelSensor::dtor_delete,80,_ZN4ksys3eco11LevelSensorD0Ev
 0x0000007100e425b4,Ecosystem::LevelSensor::init,288,
 0x0000007100e426d4,Ecosystem::LevelSensor::scaleWeapon,1552,
 0x0000007100e42ce4,Ecosystem::LevelSensor::scaleActor,1308,
diff --git a/src/KingSystem/CMakeLists.txt b/src/KingSystem/CMakeLists.txt
index fede8909..3a64db1c 100644
--- a/src/KingSystem/CMakeLists.txt
+++ b/src/KingSystem/CMakeLists.txt
@@ -1,4 +1,5 @@
 add_subdirectory(ActorSystem)
+add_subdirectory(Ecosystem)
 add_subdirectory(Framework)
 add_subdirectory(Map)
 add_subdirectory(MessageSystem)
diff --git a/src/KingSystem/Ecosystem/CMakeLists.txt b/src/KingSystem/Ecosystem/CMakeLists.txt
new file mode 100644
index 00000000..bb6801e4
--- /dev/null
+++ b/src/KingSystem/Ecosystem/CMakeLists.txt
@@ -0,0 +1,4 @@
+target_sources(uking PRIVATE
+  ecoLevelSensor.cpp
+  ecoLevelSensor.h
+)
diff --git a/src/KingSystem/Ecosystem/ecoLevelSensor.cpp b/src/KingSystem/Ecosystem/ecoLevelSensor.cpp
new file mode 100644
index 00000000..42676953
--- /dev/null
+++ b/src/KingSystem/Ecosystem/ecoLevelSensor.cpp
@@ -0,0 +1,14 @@
+#include "KingSystem/Ecosystem/ecoLevelSensor.h"
+#include "KingSystem/Utils/Byaml.h"
+
+namespace ksys::eco {
+
+LevelSensor::LevelSensor() = default;
+
+LevelSensor::~LevelSensor() {
+    mResHandle.requestUnload2();
+    if (mBymlIter)
+        delete mBymlIter;
+}
+
+}  // namespace ksys::eco
diff --git a/src/KingSystem/Ecosystem/ecoLevelSensor.h b/src/KingSystem/Ecosystem/ecoLevelSensor.h
new file mode 100644
index 00000000..5b5d97f7
--- /dev/null
+++ b/src/KingSystem/Ecosystem/ecoLevelSensor.h
@@ -0,0 +1,60 @@
+#pragma once
+
+#include <KingSystem/Map/mapObject.h>
+#include <basis/seadTypes.h>
+#include "KingSystem/Resource/resHandle.h"
+#include "KingSystem/Utils/Types.h"
+
+namespace al {
+class ByamlIter;
+}
+
+namespace ksys::act {
+class Actor;
+class InstParamPack;
+}  // namespace ksys::act
+
+namespace ksys::map {
+class Object;
+}
+
+namespace ksys::eco {
+
+enum class WeaponModifier {
+    None = 0,
+    /// This will be upgraded to Blue randomly.
+    RandomBlue = 1,
+    Blue = 2,
+    Yellow = 3,
+    /// Chests only: Weapon will never spawn with any modifiers. This overrides regular scaling.
+    NoneForced = 4,
+};
+
+class LevelSensor {
+public:
+    LevelSensor();
+    virtual ~LevelSensor();
+
+    void init(sead::Heap* heap);
+
+    bool scaleWeapon(const sead::SafeString& weapon, WeaponModifier min_modifier,
+                     const char** scaled_weapon, WeaponModifier* scaled_modifier,
+                     act::Actor* actor) const;
+
+    bool scaleActor(const sead::SafeString& name, map::Object* obj, const char** scaled_weapon,
+                    act::InstParamPack* pack, const sead::Vector3f& position) const;
+
+    void calculatePoints();
+
+private:
+    f32 mPoints{};
+    f32 mWeaponPoints{};
+    f32 mEnemyPoints{};
+    bool _14{};
+    f32 mDefaultPoints = -1;
+    al::ByamlIter* mBymlIter = nullptr;
+    res::Handle mResHandle;
+};
+KSYS_CHECK_SIZE_NX150(LevelSensor, 0x78);
+
+}  // namespace ksys::eco