diff --git a/components/nif/controller.cpp b/components/nif/controller.cpp
index 6a48ea1e4f..903cf7710c 100644
--- a/components/nif/controller.cpp
+++ b/components/nif/controller.cpp
@@ -553,6 +553,49 @@ namespace Nif
         nif->read(mMaximumDistance);
     }
 
+    void BSProceduralLightningController::read(NIFStream* nif)
+    {
+        NiTimeController::read(nif);
+
+        mGenerationInterp.read(nif);
+        mMutationInterp.read(nif);
+        mSubdivisionInterp.read(nif);
+        mNumBranchesInterp.read(nif);
+        mNumBranchesVarInterp.read(nif);
+        mLengthInterp.read(nif);
+        mLengthVarInterp.read(nif);
+        mWidthInterp.read(nif);
+        mArcOffsetInterp.read(nif);
+        nif->read(mSubdivisions);
+        nif->read(mNumBranches);
+        nif->read(mNumBranchesVar);
+        nif->read(mLength);
+        nif->read(mLengthVar);
+        nif->read(mWidth);
+        nif->read(mChildWidthMult);
+        nif->read(mArcOffset);
+        nif->read(mFadeMainBolt);
+        nif->read(mFadeChildBolts);
+        nif->read(mAnimateArcOffset);
+        mShaderProperty.read(nif);
+    }
+
+    void BSProceduralLightningController::post(Reader& nif)
+    {
+        NiTimeController::post(nif);
+
+        mGenerationInterp.post(nif);
+        mMutationInterp.post(nif);
+        mSubdivisionInterp.post(nif);
+        mNumBranchesInterp.post(nif);
+        mNumBranchesVarInterp.post(nif);
+        mLengthInterp.post(nif);
+        mLengthVarInterp.post(nif);
+        mWidthInterp.post(nif);
+        mArcOffsetInterp.post(nif);
+        mShaderProperty.post(nif);
+    }
+
     void NiControllerManager::read(NIFStream* nif)
     {
         NiTimeController::read(nif);
diff --git a/components/nif/controller.hpp b/components/nif/controller.hpp
index b6c71e1548..33c04a6d35 100644
--- a/components/nif/controller.hpp
+++ b/components/nif/controller.hpp
@@ -354,6 +354,34 @@ namespace Nif
         void read(NIFStream* nif) override;
     };
 
+    struct BSProceduralLightningController : NiTimeController
+    {
+        NiInterpolatorPtr mGenerationInterp;
+        NiInterpolatorPtr mMutationInterp;
+        NiInterpolatorPtr mSubdivisionInterp;
+        NiInterpolatorPtr mNumBranchesInterp;
+        NiInterpolatorPtr mNumBranchesVarInterp;
+        NiInterpolatorPtr mLengthInterp;
+        NiInterpolatorPtr mLengthVarInterp;
+        NiInterpolatorPtr mWidthInterp;
+        NiInterpolatorPtr mArcOffsetInterp;
+        uint16_t mSubdivisions;
+        uint16_t mNumBranches;
+        uint16_t mNumBranchesVar;
+        float mLength;
+        float mLengthVar;
+        float mWidth;
+        float mChildWidthMult;
+        float mArcOffset;
+        bool mFadeMainBolt;
+        bool mFadeChildBolts;
+        bool mAnimateArcOffset;
+        BSShaderPropertyPtr mShaderProperty;
+
+        void read(NIFStream* nif) override;
+        void post(Reader& nif) override;
+    };
+
     struct NiControllerManager : public NiTimeController
     {
         bool mCumulative;
diff --git a/components/nif/niffile.cpp b/components/nif/niffile.cpp
index 06b086c089..fb403bccb4 100644
--- a/components/nif/niffile.cpp
+++ b/components/nif/niffile.cpp
@@ -138,6 +138,8 @@ namespace Nif
             { "BSFrustumFOVController", &construct<NiFloatInterpController, RC_BSFrustumFOVController> },
             { "BSKeyframeController", &construct<BSKeyframeController, RC_BSKeyframeController> },
             { "BSLagBoneController", &construct<BSLagBoneController, RC_BSLagBoneController> },
+            { "BSProceduralLightningController",
+                &construct<BSProceduralLightningController, RC_BSProceduralLightningController> },
             { "BSMaterialEmittanceMultController",
                 &construct<NiFloatInterpController, RC_BSMaterialEmittanceMultController> },
             { "BSNiAlphaPropertyTestRefController",
@@ -391,6 +393,7 @@ namespace Nif
 
             // Constraint records, Bethesda
             { "bhkBallAndSocketConstraint", &construct<bhkBallAndSocketConstraint, RC_bhkBallAndSocketConstraint> },
+            { "bhkBallSocketConstraintChain", &construct<bhkBallSocketConstraintChain, RC_bhkBallSocketConstraintChain> },
             { "bhkHingeConstraint", &construct<bhkHingeConstraint, RC_bhkHingeConstraint> },
             { "bhkLimitedHingeConstraint", &construct<bhkLimitedHingeConstraint, RC_bhkLimitedHingeConstraint> },
             { "bhkRagdollConstraint", &construct<bhkRagdollConstraint, RC_bhkRagdollConstraint> },
diff --git a/components/nif/physics.cpp b/components/nif/physics.cpp
index 24c49a77d9..4eaf77f510 100644
--- a/components/nif/physics.cpp
+++ b/components/nif/physics.cpp
@@ -448,6 +448,17 @@ namespace Nif
         }
     }
 
+    void bhkConstraintChainCInfo::read(NIFStream* nif)
+    {
+        readRecordList(nif, mEntities);
+        mInfo.read(nif);
+    }
+
+    void bhkConstraintChainCInfo::post(Reader& nif)
+    {
+        postRecordList(nif, mEntities);
+    }
+
     /// Record types
 
     void bhkCollisionObject::read(NIFStream* nif)
@@ -842,6 +853,27 @@ namespace Nif
         mConstraint.read(nif);
     }
 
+    void bhkBallSocketConstraintChain::read(NIFStream* nif)
+    {
+        uint32_t numPivots = nif->get<uint32_t>();
+        if (numPivots % 2 != 0)
+            throw Nif::Exception(
+                "Invalid number of constraints in bhkBallSocketConstraintChain", nif->getFile().getFilename());
+        mConstraints.resize(numPivots / 2);
+        for (bhkBallAndSocketConstraintCInfo& info : mConstraints)
+            info.read(nif);
+        nif->read(mTau);
+        nif->read(mDamping);
+        nif->read(mConstraintForceMixing);
+        nif->read(mMaxErrorDistance);
+        mConstraintChainInfo.read(nif);
+    }
+
+    void bhkBallSocketConstraintChain::post(Reader& nif)
+    {
+        mConstraintChainInfo.post(nif);
+    }
+
     void bhkStiffSpringConstraint::read(NIFStream* nif)
     {
         bhkConstraint::read(nif);
diff --git a/components/nif/physics.hpp b/components/nif/physics.hpp
index 90185d0417..d4eaccfc94 100644
--- a/components/nif/physics.hpp
+++ b/components/nif/physics.hpp
@@ -421,6 +421,15 @@ namespace Nif
         void read(NIFStream* nif);
     };
 
+    struct bhkConstraintChainCInfo
+    {
+        bhkRigidBodyList mEntities;
+        bhkConstraintCInfo mInfo;
+
+        void read(NIFStream* nif);
+        void post(Reader& nif);
+    };
+
     /// Record types
 
     // Abstract Bethesda Havok object
@@ -764,6 +773,19 @@ namespace Nif
         void read(NIFStream* nif) override;
     };
 
+    struct bhkBallSocketConstraintChain : bhkSerializable
+    {
+        std::vector<bhkBallAndSocketConstraintCInfo> mConstraints;
+        float mTau;
+        float mDamping;
+        float mConstraintForceMixing;
+        float mMaxErrorDistance;
+        bhkConstraintChainCInfo mConstraintChainInfo;
+
+        void read(NIFStream* nif) override;
+        void post(Reader& nif) override;
+    };
+
     struct bhkStiffSpringConstraint : bhkConstraint
     {
         bhkStiffSpringConstraintCInfo mConstraint;
diff --git a/components/nif/record.hpp b/components/nif/record.hpp
index e4a539e8a3..1b6ea1e99b 100644
--- a/components/nif/record.hpp
+++ b/components/nif/record.hpp
@@ -37,6 +37,7 @@ namespace Nif
         RC_MISSING = 0,
         RC_AvoidNode,
         RC_bhkBallAndSocketConstraint,
+        RC_bhkBallSocketConstraintChain,
         RC_bhkBlendCollisionObject,
         RC_bhkBlendController,
         RC_bhkBoxShape,
@@ -98,6 +99,7 @@ namespace Nif
         RC_BSNiAlphaPropertyTestRefController,
         RC_BSPackedAdditionalGeometryData,
         RC_BSParentVelocityModifier,
+        RC_BSProceduralLightningController,
         RC_BSPSysArrayEmitter,
         RC_BSPSysInheritVelocityModifier,
         RC_BSPSysLODModifier,
diff --git a/components/nif/recordptr.hpp b/components/nif/recordptr.hpp
index 0a7bd0ccbd..209ee010d6 100644
--- a/components/nif/recordptr.hpp
+++ b/components/nif/recordptr.hpp
@@ -150,6 +150,7 @@ namespace Nif
     struct bhkSerializable;
     struct bhkEntity;
     struct bhkConvexShape;
+    struct bhkRigidBody;
     struct hkPackedNiTriStripsData;
     struct NiAccumulator;
     struct NiInterpolator;
@@ -198,6 +199,7 @@ namespace Nif
     using bhkShapePtr = RecordPtrT<bhkShape>;
     using bhkEntityPtr = RecordPtrT<bhkEntity>;
     using bhkConvexShapePtr = RecordPtrT<bhkConvexShape>;
+    using bhkRigidBodyPtr = RecordPtrT<bhkRigidBody>;
     using hkPackedNiTriStripsDataPtr = RecordPtrT<hkPackedNiTriStripsData>;
     using NiAccumulatorPtr = RecordPtrT<NiAccumulator>;
     using NiInterpolatorPtr = RecordPtrT<NiInterpolator>;
@@ -218,6 +220,7 @@ namespace Nif
     using bhkShapeList = RecordListT<bhkShape>;
     using bhkSerializableList = RecordListT<bhkSerializable>;
     using bhkEntityList = RecordListT<bhkEntity>;
+    using bhkRigidBodyList = RecordListT<bhkEntity>;
     using NiControllerSequenceList = RecordListT<NiControllerSequence>;
     using NiPSysModifierList = RecordListT<NiPSysModifier>;
     using NiTriBasedGeomList = RecordListT<NiTriBasedGeom>;