Core/Movement:

* splines that are being sent via StopMoving() will now send the correct spline data when a unit has died
* corrected setting the NowDead field in SMSG_ATTACK_STOP to prevent creature's from looking away from the cool guys when dying

src/server/game/Movement/Spline/MoveSplineInit.cpp

@@ -173,7 +173,15 @@ namespace Movement
         packet.MoverGUID = unit->GetGUID();
         packet.Pos = Position(loc.x, loc.y, loc.z, loc.orientation);
         packet.SplineData.ID = move_spline.GetId();
-        packet.SplineData.Move.Face = MONSTER_MOVE_STOP;
+
+        if (unit->IsAlive())
+            packet.SplineData.Move.Face = MONSTER_MOVE_STOP;
+        else
+        {
+            // Stopping splines for killed creatures send a normal packet with their current position as first path point
+            packet.SplineData.Move.Face = MONSTER_MOVE_NORMAL;
+            packet.SplineData.Move.Points.push_back({ loc.x, loc.y, loc.z });
+        }
 
         if (transport)
         {

src/server/game/Server/Packets/CombatPackets.cpp

@@ -101,7 +101,7 @@ WorldPackets::Combat::SAttackStop::SAttackStop(Unit const* attacker, Unit const*
     if (victim)
     {
         Victim = victim->GetGUID();
-        NowDead = victim->isDead();
+        NowDead = !attacker->IsAlive(); // using IsAlive instead of IsDead to catch JUST_DIED death states as well
     }
 }