diff --git a/src/game/Server/Opcodes.cpp b/src/game/Server/Opcodes.cpp
index d35c0c957..428ceb43b 100644
--- a/src/game/Server/Opcodes.cpp
+++ b/src/game/Server/Opcodes.cpp
@@ -254,8 +254,8 @@ void InitializeOpcodes()
     //OPCODE(CMSG_DESTROY_ITEMS,                           STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     OPCODE(SMSG_GAMEOBJECT_CUSTOM_ANIM,                  STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     OPCODE(CMSG_AREATRIGGER,                             STATUS_LOGGEDIN, PROCESS_THREADUNSAFE, &WorldSession::HandleAreaTriggerOpcode         );
-    OPCODE(CMSG_MOVE_START_FORWARD,                      STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
-    OPCODE(CMSG_MOVE_START_BACKWARD,                     STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
+    OPCODE(MSG_MOVE_START_FORWARD,                       STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
+    OPCODE(MSG_MOVE_START_BACKWARD,                     STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
     OPCODE(CMSG_MOVE_STOP,                               STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
     OPCODE(CMSG_MOVE_START_STRAFE_LEFT,                  STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
     OPCODE(CMSG_MOVE_START_STRAFE_RIGHT,                 STATUS_LOGGEDIN, PROCESS_THREADSAFE,   &WorldSession::HandleMovementOpcodes           );
diff --git a/src/game/Server/Opcodes.h b/src/game/Server/Opcodes.h
index 54524b595..51dae443e 100644
--- a/src/game/Server/Opcodes.h
+++ b/src/game/Server/Opcodes.h
@@ -247,8 +247,8 @@ enum Opcodes
     CMSG_DESTROY_ITEMS                                    = 0x10B3,
     SMSG_GAMEOBJECT_CUSTOM_ANIM                           = 0x4936, // 4.3.4 15595
 	CMSG_AREATRIGGER                                      = 0x155A, // 5.4.7 18019
-    CMSG_MOVE_START_FORWARD                               = 0x13C9, // 5.4.1 17538
-    CMSG_MOVE_START_BACKWARD                              = 0x12C0, // 5.4.1 17538
+    MSG_MOVE_START_FORWARD                                = 0x095A, // 5.4.8 18414
+    MSG_MOVE_START_BACKWARD                               = 0x09D8, // 5.4.8 18414
     CMSG_MOVE_STOP                                        = 0x0649, // 5.4.1 17538
     CMSG_MOVE_START_STRAFE_LEFT                           = 0x0EC8, // 5.4.1 17538
     CMSG_MOVE_START_STRAFE_RIGHT                          = 0x0269, // 5.4.1 17538
diff --git a/src/game/movement/MovementStructures.h b/src/game/movement/MovementStructures.h
index 4eec30566..25655f8f4 100644
--- a/src/game/movement/MovementStructures.h
+++ b/src/game/movement/MovementStructures.h
@@ -557,145 +557,153 @@ MovementStatusElements MovementSetPitchSequence[] =
 
 MovementStatusElements MovementStartBackwardSequence[] =
 {
-    MSEPositionX,
-    MSEPositionZ,
     MSEPositionY,
-    MSEHasTransportData,
-    MSEGuidBit3,
-    MSEGuidBit0,
-    MSEGuidBit2,
+    MSEPositionZ,
+    MSEPositionX,
     MSEHasTimestamp,
-    MSEGuidBit7,
-    MSEHasPitch,
-    MSEHasUnknownBit,
-    MSEHasMovementFlags,
     MSEHasOrientation,
-    MSEHasSpline,
-    MSEHasMovementFlags2,
+    MSEGuidBit7,
+    MSEGuidBit2,
+    MSECounterCount,
     MSEHasFallData,
+    MSEHasUnknownBit,
     MSEGuidBit5,
-    MSEGuidBit1,
-    MSEGuidBit4,
+    MSEGuidBit3,
     MSEGuidBit6,
     MSEHasSplineElevation,
-    MSETransportGuidBit3,
+    MSEGuidBit4,
+    MSEHasTransportData,
+    MSEGuidBit0,
+    MSEHasMovementFlags,
+    MSEHasPitch,
+    MSEHasUnkTime,
+    MSEHasMovementFlags2,
+    MSEHasUnknownBit,
+    MSEGuidBit1,
+    MSEHasUnknownBit,
     MSETransportGuidBit1,
     MSEHasTransportTime2,
-    MSETransportGuidBit2,
-    MSETransportGuidBit7,
     MSETransportGuidBit0,
-    MSETransportGuidBit6,
-    MSETransportGuidBit5,
-    MSETransportGuidBit4,
+    MSETransportGuidBit7,
     MSEHasTransportTime3,
-    MSEFlags,
+    MSETransportGuidBit3,
+    MSETransportGuidBit5,
+    MSETransportGuidBit6,
+    MSETransportGuidBit2,
+    MSETransportGuidBit4,
     MSEFlags2,
+    MSEFlags,
     MSEHasFallDirection,
-    MSEGuidByte6,
-    MSEGuidByte7,
-    MSEGuidByte4,
+    MSEMovementCounter,
     MSEGuidByte1,
-    MSEGuidByte5,
-    MSEGuidByte0,
-    MSEGuidByte2,
     MSEGuidByte3,
+    MSEGuidByte5,
+    MSEGuidByte2,
+    MSEGuidByte0,
+    MSEGuidByte4,
+    MSEGuidByte7,
+    MSEGuidByte6,
+    MSEUnkTime,
+    MSETransportTime,
+    MSETransportGuidByte4,
+    MSETransportGuidByte1,
+    MSETransportGuidByte5,
+    MSETransportGuidByte3,
+    MSETransportGuidByte6,
+    MSETransportPositionO,
+    MSETransportPositionX,
+    MSETransportGuidByte0,
+    MSETransportPositionY,
+    MSETransportTime3,
+    MSETransportGuidByte7,
+    MSETransportTime2,
     MSETransportPositionZ,
     MSETransportGuidByte2,
-    MSETransportTime3,
-    MSETransportGuidByte0,
-    MSETransportGuidByte5,
-    MSETransportPositionY,
-    MSETransportGuidByte1,
-    MSETransportPositionX,
-    MSETransportTime2,
-    MSETransportGuidByte4,
-    MSETransportPositionO,
-    MSETransportSeat,
-    MSETransportGuidByte7,
-    MSETransportTime,
-    MSETransportGuidByte6,
-    MSETransportGuidByte3,
-    MSEPitch,
-    MSETimestamp,
-    MSEFallHorizontalSpeed,
+    MSEPositionO,
+    MSEFallTime,
     MSEFallSinAngle,
     MSEFallCosAngle,
+    MSEFallHorizontalSpeed,
     MSEFallVerticalSpeed,
-    MSEFallTime,
-    MSEPositionO,
+    MSEPitch,
+    MSETimestamp,
     MSESplineElevation,
     MSEEnd,
 };
 
 MovementStatusElements MovementStartForwardSequence[] =
 {
-    MSEPositionY,
     MSEPositionZ,
     MSEPositionX,
-    MSEGuidBit5,
-    MSEGuidBit2,
-    MSEGuidBit0,
-    MSEHasUnknownBit,
-    MSEHasMovementFlags,
-    MSEGuidBit7,
-    MSEGuidBit3,
-    MSEGuidBit1,
-    MSEHasOrientation,
-    MSEGuidBit6,
-    MSEHasSpline,
-    MSEHasSplineElevation,
-    MSEGuidBit4,
-    MSEHasTransportData,
-    MSEHasTimestamp,
-    MSEHasPitch,
+    MSEPositionY,
     MSEHasMovementFlags2,
+    MSEHasUnknownBit,
+    MSEHasUnkTime,
+    MSEHasUnknownBit,
+    MSEGuidBit0,
+    MSEHasOrientation,
     MSEHasFallData,
-    MSEFlags,
+    MSECounterCount,
+    MSEGuidBit4,
+    MSEGuidBit1,
+    MSEHasTimestamp,
+    MSEGuidBit7,
+    MSEHasPitch,
+    MSEHasTransportData,
+    MSEGuidBit5,
+    MSEHasMovementFlags,
+    MSEGuidBit3,
+    MSEHasSplineElevation,
+    MSEGuidBit2,
+    MSEGuidBit6,
+    MSEHasUnknownBit,
+    MSETransportGuidBit1,
+    MSEHasTransportTime3,
     MSETransportGuidBit3,
     MSETransportGuidBit4,
-    MSETransportGuidBit6,
     MSETransportGuidBit2,
     MSETransportGuidBit5,
     MSETransportGuidBit0,
     MSETransportGuidBit7,
-    MSETransportGuidBit1,
-    MSEHasTransportTime3,
+    MSETransportGuidBit6,
     MSEHasTransportTime2,
     MSEHasFallDirection,
     MSEFlags2,
-    MSEGuidByte2,
-    MSEGuidByte4,
-    MSEGuidByte6,
+    MSEFlags,
     MSEGuidByte1,
+    MSEGuidByte6,
     MSEGuidByte7,
-    MSEGuidByte3,
+    MSEMovementCounter,
     MSEGuidByte5,
     MSEGuidByte0,
-    MSEFallVerticalSpeed,
-    MSEFallHorizontalSpeed,
-    MSEFallCosAngle,
-    MSEFallSinAngle,
-    MSEFallTime,
+    MSEGuidByte3,
+    MSEGuidByte2,
+    MSEGuidByte4,
     MSETransportGuidByte3,
-    MSETransportPositionY,
-    MSETransportPositionZ,
     MSETransportGuidByte1,
+    MSETransportGuidByte6,
+    MSETransportPositionZ,
     MSETransportGuidByte4,
+    MSETransportTime3,
     MSETransportGuidByte7,
     MSETransportPositionO,
+    MSETransportTime2,
+    MSETransportGuidByte5,
     MSETransportGuidByte2,
     MSETransportPositionX,
-    MSETransportGuidByte5,
-    MSETransportTime3,
-    MSETransportTime,
-    MSETransportGuidByte6,
     MSETransportGuidByte0,
-    MSETransportSeat,
-    MSETransportTime2,
-    MSESplineElevation,
-    MSEPitch,
-    MSEPositionO,
+    MSETransportPositionY,
+    MSETransportTime,
+    MSEFallCosAngle,
+    MSEFallSinAngle,
+    MSEFallHorizontalSpeed,
+    MSEFallTime,
+    MSEFallVerticalSpeed,
     MSETimestamp,
+    MSEPitch,
+    MSESplineElevation,
+    MSEPositionO,
+    MSEUnkTime,
     MSEEnd,
 };
 
@@ -2613,9 +2621,9 @@ MovementStatusElements* GetMovementStatusElementsSequence(uint16 opcode)
             return MovementSetWalkModeSequence;
         case CMSG_MOVE_SPLINE_DONE:
             return MovementSplineDoneSequence;
-        case CMSG_MOVE_START_BACKWARD:
+        case MSG_MOVE_START_BACKWARD:
             return MovementStartBackwardSequence;
-        case CMSG_MOVE_START_FORWARD:
+        case MSG_MOVE_START_FORWARD:
             return MovementStartForwardSequence;
         case CMSG_MOVE_START_STRAFE_LEFT:
             return MovementStartStrafeLeftSequence;