diff --git a/apps/essimporter/convertacdt.cpp b/apps/essimporter/convertacdt.cpp
index d3b70d1f58..718403a8c3 100644
--- a/apps/essimporter/convertacdt.cpp
+++ b/apps/essimporter/convertacdt.cpp
@@ -32,6 +32,11 @@ namespace ESSImport
         cStats.mAttacked = acdt.mFlags & Attacked;
     }
 
+    void convertACSC (const ACSC& acsc, ESM::CreatureStats& cStats)
+    {
+        cStats.mDead = acsc.mFlags & Dead;
+    }
+
     void convertNpcData (const ActorData& actorData, ESM::NpcStats& npcStats)
     {
         for (int i=0; i<ESM::Skill::Length; ++i)
diff --git a/apps/essimporter/convertacdt.hpp b/apps/essimporter/convertacdt.hpp
index a98ba36dd1..bc9a7bd00d 100644
--- a/apps/essimporter/convertacdt.hpp
+++ b/apps/essimporter/convertacdt.hpp
@@ -15,6 +15,7 @@ namespace ESSImport
 
 
     void convertACDT (const ACDT& acdt, ESM::CreatureStats& cStats);
+    void convertACSC (const ACSC& acsc, ESM::CreatureStats& cStats);
 
     void convertNpcData (const ActorData& actorData, ESM::NpcStats& npcStats);
 }
diff --git a/apps/essimporter/converter.cpp b/apps/essimporter/converter.cpp
index 4d21d2b7ac..91d290f331 100644
--- a/apps/essimporter/converter.cpp
+++ b/apps/essimporter/converter.cpp
@@ -274,6 +274,8 @@ namespace ESSImport
             const CellRef& cellref = *refIt;
             ESM::CellRef out (cellref);
 
+            // TODO: use mContext->mCreatures/mNpcs
+
             if (!isIndexedRefId(cellref.mIndexedRefId))
             {
                 // non-indexed RefNum, i.e. no CREC/NPCC/CNTC record associated with it
@@ -309,9 +311,12 @@ namespace ESSImport
                     objstate.blank();
                     objstate.mRef = out;
                     objstate.mRef.mRefID = idLower;
-                    // probably need more micromanagement here so we don't overwrite values
+                    // TODO: need more micromanagement here so we don't overwrite values
                     // from the ESM with default values
-                    convertACDT(cellref.mACDT, objstate.mCreatureStats);
+                    if (cellref.mHasACDT)
+                        convertACDT(cellref.mACDT, objstate.mCreatureStats);
+                    if (cellref.mHasACSC)
+                        convertACSC(cellref.mACSC, objstate.mCreatureStats);
                     convertNpcData(cellref, objstate.mNpcStats);
                     convertNPCC(npccIt->second, objstate);
                     convertCellRef(cellref, objstate);
@@ -343,9 +348,12 @@ namespace ESSImport
                     objstate.blank();
                     objstate.mRef = out;
                     objstate.mRef.mRefID = idLower;
-                    convertACDT(cellref.mACDT, objstate.mCreatureStats);
-                    // probably need more micromanagement here so we don't overwrite values
+                    // TODO: need more micromanagement here so we don't overwrite values
                     // from the ESM with default values
+                    if (cellref.mHasACDT)
+                        convertACDT(cellref.mACDT, objstate.mCreatureStats);
+                    if (cellref.mHasACSC)
+                        convertACSC(cellref.mACSC, objstate.mCreatureStats);
                     convertCREC(crecIt->second, objstate);
                     convertCellRef(cellref, objstate);
                     esm.writeHNT ("OBJE", ESM::REC_CREA);
diff --git a/apps/essimporter/converter.hpp b/apps/essimporter/converter.hpp
index c80ccb951a..886983aab3 100644
--- a/apps/essimporter/converter.hpp
+++ b/apps/essimporter/converter.hpp
@@ -104,10 +104,10 @@ public:
         npc.load(esm);
         if (id != "player")
         {
-            // TODO:
-            // this should handle changes to the NPC struct, but since there is no index here
+            // Handles changes to the NPC struct, but since there is no index here
             // it will apply to ALL instances of the class. seems to be the reason for the
             // "feature" in MW where changing AI settings of one guard will change it for all guards of that refID.
+            mContext->mNpcs[Misc::StringUtils::lowerCase(id)] = npc;
         }
         else
         {
@@ -139,6 +139,7 @@ public:
         ESM::Creature creature;
         std::string id = esm.getHNString("NAME");
         creature.load(esm);
+        mContext->mCreatures[Misc::StringUtils::lowerCase(id)] = creature;
     }
 };
 
diff --git a/apps/essimporter/importacdt.cpp b/apps/essimporter/importacdt.cpp
index 4cd994b927..9d881515dd 100644
--- a/apps/essimporter/importacdt.cpp
+++ b/apps/essimporter/importacdt.cpp
@@ -20,12 +20,22 @@ namespace ESSImport
 
         ESM::CellRef::loadData(esm);
 
-        // FIXME: not all actors have this, add flag
-        esm.getHNOT(mACDT, "ACDT");
+        mHasACDT = false;
+        if (esm.isNextSub("ACDT"))
+        {
+            mHasACDT = true;
+            esm.getHT(mACDT);
+        }
+
+        mHasACSC = false;
+        if (esm.isNextSub("ACSC"))
+        {
+            mHasACSC = true;
+            esm.getHT(mACSC);
+        }
 
-        ACSC acsc;
-        esm.getHNOT(acsc, "ACSC"); // skill progress?
-        esm.getHNOT(acsc, "ACSL");
+        if (esm.isNextSub("ACSL"))
+            esm.skipHSubSize(112);
 
         if (esm.isNextSub("CSTN"))
             esm.skipHSub(); // "PlayerSaveGame", link to some object?
diff --git a/apps/essimporter/importacdt.hpp b/apps/essimporter/importacdt.hpp
index 4876602bcd..1e0317049d 100644
--- a/apps/essimporter/importacdt.hpp
+++ b/apps/essimporter/importacdt.hpp
@@ -18,7 +18,12 @@ namespace ESSImport
     enum ACDTFlags
     {
         TalkedToPlayer = 0x4,
-        Attacked = 0x100
+        Attacked = 0x100,
+        Unknown = 0x200
+    };
+    enum ACSCFlags
+    {
+        Dead = 0x2
     };
 
     /// Actor data, shared by (at least) REFR and CellRef
@@ -35,16 +40,27 @@ namespace ESSImport
         float mDynamic[3][2];
         unsigned char mUnknown3[16];
         float mAttributes[8][2];
-        unsigned char mUnknown4[112];
+        float mMagicEffects[27]; // Effect attributes: https://wiki.openmw.org/index.php?title=Research:Magic#Effect_attributes
+        unsigned char mUnknown4[4];
         unsigned int mGoldPool;
         unsigned char mUnknown5[4];
     };
+    struct ACSC
+    {
+        unsigned char mUnknown1[17];
+        unsigned char mFlags; // ACSCFlags
+        unsigned char mUnknown2[94];
+    };
 #pragma pack(pop)
 
     struct ActorData : public ESM::CellRef
     {
+        bool mHasACDT;
         ACDT mACDT;
 
+        bool mHasACSC;
+        ACSC mACSC;
+
         int mSkills[27][2];
 
         // creature combat stats, base and modified
@@ -60,12 +76,6 @@ namespace ESSImport
         void load(ESM::ESMReader& esm);
     };
 
-    /// Unknown, shared by (at least) REFR and CellRef
-    struct ACSC
-    {
-        unsigned char unknown[112];
-    };
-
 }
 
 #endif
diff --git a/apps/essimporter/importercontext.hpp b/apps/essimporter/importercontext.hpp
index a466770d0d..3b010cb8ff 100644
--- a/apps/essimporter/importercontext.hpp
+++ b/apps/essimporter/importercontext.hpp
@@ -7,6 +7,8 @@
 #include <components/esm/player.hpp>
 #include <components/esm/dialoguestate.hpp>
 #include <components/esm/globalmap.hpp>
+#include <components/esm/loadcrea.hpp>
+#include <components/esm/loadnpc.hpp>
 
 #include "importnpcc.hpp"
 #include "importcrec.hpp"
@@ -15,6 +17,7 @@
 
 
 
+
 namespace ESSImport
 {
 
@@ -42,6 +45,9 @@ namespace ESSImport
         std::map<std::pair<int, std::string>, NPCC> mNpcChanges;
         std::map<std::pair<int, std::string>, CNTC> mContainerChanges;
 
+        std::map<std::string, ESM::Creature> mCreatures;
+        std::map<std::string, ESM::NPC> mNpcs;
+
         Context()
         {
             mPlayer.mAutoMove = 0;