diff --git a/src/game/GossipDef.cpp b/src/game/GossipDef.cpp
index feec3c2e9..45f9c03be 100644
--- a/src/game/GossipDef.cpp
+++ b/src/game/GossipDef.cpp
@@ -421,7 +421,7 @@ void PlayerMenu::SendQuestGiverStatus( uint8 questStatus, ObjectGuid npcGUID )
     DEBUG_LOG( "WORLD: Sent SMSG_QUESTGIVER_STATUS for %s", npcGUID.GetString().c_str());
 }
 
-void PlayerMenu::SendQuestGiverQuestDetails(Quest const *pQuest, ObjectGuid npcGUID, bool ActivateAccept)
+void PlayerMenu::SendQuestGiverQuestDetails(Quest const* pQuest, ObjectGuid guid, bool ActivateAccept)
 {
     std::string Title      = pQuest->GetTitle();
     std::string Details    = pQuest->GetDetails();
@@ -442,7 +442,7 @@ void PlayerMenu::SendQuestGiverQuestDetails(Quest const *pQuest, ObjectGuid npcG
     }
 
     WorldPacket data(SMSG_QUESTGIVER_QUEST_DETAILS, 100);   // guess size
-    data << ObjectGuid(npcGUID);
+    data << guid;
     data << uint64(0);                                      // wotlk, something todo with quest sharing?
     data << uint32(pQuest->GetQuestId());
     data << Title;
@@ -540,7 +540,7 @@ void PlayerMenu::SendQuestGiverQuestDetails(Quest const *pQuest, ObjectGuid npcG
 
     GetMenuSession()->SendPacket( &data );
 
-    DEBUG_LOG("WORLD: Sent SMSG_QUESTGIVER_QUEST_DETAILS NPCGuid = %s, questid = %u", npcGUID.GetString().c_str(), pQuest->GetQuestId());
+    DEBUG_LOG("WORLD: Sent SMSG_QUESTGIVER_QUEST_DETAILS - for %s of %s, questid = %u", GetMenuSession()->GetPlayer()->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), pQuest->GetQuestId());
 }
 
 // send only static data in this packet!
diff --git a/src/game/QuestHandler.cpp b/src/game/QuestHandler.cpp
index e2e894eda..f1e5e239f 100644
--- a/src/game/QuestHandler.cpp
+++ b/src/game/QuestHandler.cpp
@@ -30,7 +30,7 @@
 #include "ScriptMgr.h"
 #include "Group.h"
 
-void WorldSession::HandleQuestgiverStatusQueryOpcode( WorldPacket & recv_data )
+void WorldSession::HandleQuestgiverStatusQueryOpcode(WorldPacket & recv_data)
 {
     ObjectGuid guid;
     recv_data >> guid;
@@ -44,7 +44,7 @@ void WorldSession::HandleQuestgiverStatusQueryOpcode( WorldPacket & recv_data )
         return;
     }
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY for %s", guid.GetString().c_str());
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY - for %s to %s", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
 
     switch(questgiver->GetTypeId())
     {
@@ -85,13 +85,12 @@ void WorldSession::HandleQuestgiverHelloOpcode(WorldPacket & recv_data)
     ObjectGuid guid;
     recv_data >> guid;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_HELLO npc: %s", guid.GetString().c_str());
-
-    Creature *pCreature = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_NONE);
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_HELLO - for %s to %s", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
 
+    Creature* pCreature = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_NONE);
     if (!pCreature)
     {
-        DEBUG_LOG ("WORLD: HandleQuestgiverHelloOpcode - %s not found or you can't interact with him.", guid.GetString().c_str());
+        DEBUG_LOG ("WORLD: HandleQuestgiverHelloOpcode - for %s to %s not found or you can't interact with him.", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
         return;
     }
 
@@ -110,17 +109,17 @@ void WorldSession::HandleQuestgiverHelloOpcode(WorldPacket & recv_data)
     _player->SendPreparedGossip(pCreature);
 }
 
-void WorldSession::HandleQuestgiverAcceptQuestOpcode( WorldPacket & recv_data )
+void WorldSession::HandleQuestgiverAcceptQuestOpcode(WorldPacket & recv_data)
 {
     ObjectGuid guid;
     uint32 quest;
     uint32 unk1;
     recv_data >> guid >> quest >> unk1;
 
-    if (!GetPlayer()->isAlive())
+    if (!CanInteractWithQuestGiver(guid, "CMSG_QUESTGIVER_ACCEPT_QUEST"))
         return;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_ACCEPT_QUEST npc = %s, quest = %u, unk1 = %u", guid.GetString().c_str(), quest, unk1 );
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_ACCEPT_QUEST - for %s to %s, quest = %u, unk1 = %u", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), quest, unk1 );
 
     Object* pObject = _player->GetObjectByTypeMask(guid, TYPEMASK_CREATURE_GAMEOBJECT_PLAYER_OR_ITEM);
 
@@ -204,7 +203,7 @@ void WorldSession::HandleQuestgiverQueryQuestOpcode( WorldPacket & recv_data )
     uint8 unk1;
     recv_data >> guid >> quest >> unk1;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_QUERY_QUEST npc = %s, quest = %u, unk1 = %u", guid.GetString().c_str(), quest, unk1 );
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_QUERY_QUEST - for %s to %s, quest = %u, unk1 = %u", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), quest, unk1);
 
     // Verify that the guid is valid and is a questgiver or involved in the requested quest
     Object* pObject = _player->GetObjectByTypeMask(guid, TYPEMASK_CREATURE_GAMEOBJECT_OR_ITEM);
@@ -231,7 +230,7 @@ void WorldSession::HandleQuestQueryOpcode( WorldPacket & recv_data )
     }
 }
 
-void WorldSession::HandleQuestgiverChooseRewardOpcode( WorldPacket & recv_data )
+void WorldSession::HandleQuestgiverChooseRewardOpcode(WorldPacket & recv_data)
 {
     uint32 quest, reward;
     ObjectGuid guid;
@@ -239,14 +238,14 @@ void WorldSession::HandleQuestgiverChooseRewardOpcode( WorldPacket & recv_data )
 
     if(reward >= QUEST_REWARD_CHOICES_COUNT)
     {
-        sLog.outError("Error in CMSG_QUESTGIVER_CHOOSE_REWARD: player %s (guid %d) tried to get invalid reward (%u) (probably packet hacking)", _player->GetName(), _player->GetGUIDLow(), reward);
+        sLog.outError("Error in CMSG_QUESTGIVER_CHOOSE_REWARD - %s tried to get invalid reward (%u) (probably packet hacking)", _player->GetObjectGuid().GetString().c_str(), _player->GetGUIDLow(), reward);
         return;
     }
 
-    if(!GetPlayer()->isAlive())
+    if (!CanInteractWithQuestGiver(guid, "CMSG_QUESTGIVER_CHOOSE_REWARD"))
         return;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_CHOOSE_REWARD npc = %s, quest = %u, reward = %u", guid.GetString().c_str(), quest, reward);
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_CHOOSE_REWARD - for %s to %s, quest = %u, reward = %u", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), quest, reward);
 
     Object* pObject = _player->GetObjectByTypeMask(guid, TYPEMASK_CREATURE_OR_GAMEOBJECT);
     if(!pObject)
@@ -277,10 +276,10 @@ void WorldSession::HandleQuestgiverRequestRewardOpcode( WorldPacket & recv_data
     ObjectGuid guid;
     recv_data >> guid >> quest;
 
-    if (!GetPlayer()->isAlive())
+    if (!CanInteractWithQuestGiver(guid, "CMSG_QUESTGIVER_REQUEST_REWARD"))
         return;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_REQUEST_REWARD npc = %s, quest = %u", guid.GetString().c_str(), quest);
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_REQUEST_REWARD - for %s to %s, quest = %u", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), quest);
 
     Object* pObject = _player->GetObjectByTypeMask(guid, TYPEMASK_CREATURE_OR_GAMEOBJECT);
     if (!pObject||!pObject->HasInvolvedQuest(quest))
@@ -386,19 +385,20 @@ void WorldSession::HandleQuestgiverCompleteQuest(WorldPacket& recv_data)
     ObjectGuid guid;
     recv_data >> guid >> quest;
 
-    if (!GetPlayer()->isAlive())
+    if (!CanInteractWithQuestGiver(guid, "CMSG_QUESTGIVER_COMPLETE_QUEST"))
         return;
 
-    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_COMPLETE_QUEST npc = %s, quest = %u", guid.GetString().c_str(), quest);
+    // All ok, continue
+    DEBUG_LOG("WORLD: Received CMSG_QUESTGIVER_COMPLETE_QUEST - for %s to %s, quest = %u", _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str(), quest);
 
-    if (Quest const *pQuest = sObjectMgr.GetQuestTemplate(quest))
+    if (Quest const* pQuest = sObjectMgr.GetQuestTemplate(quest))
     {
-        if (_player->GetQuestStatus( quest ) != QUEST_STATUS_COMPLETE)
+        if (_player->GetQuestStatus(quest) != QUEST_STATUS_COMPLETE)
         {
             if (pQuest->IsRepeatable())
                 _player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanCompleteRepeatableQuest(pQuest), false);
             else
-                _player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanRewardQuest(pQuest,false), false);
+                _player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanRewardQuest(pQuest, false), false);
         }
         else
         {
@@ -643,3 +643,32 @@ void WorldSession::HandleQuestgiverStatusMultipleQuery(WorldPacket& /*recvPacket
     data.put<uint32>(0, count);                             // write real count
     SendPacket(&data);
 }
+
+bool WorldSession::CanInteractWithQuestGiver(ObjectGuid& guid, char const* descr)
+{
+    if (guid.IsCreatureOrVehicle())
+    {
+        Creature* pCreature = _player->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_QUESTGIVER);
+        if (!pCreature)
+        {
+            DEBUG_LOG("WORLD: %s - %s cannot interact with %s.", descr, _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
+            return false;
+        }
+    }
+    else if (guid.IsGameObject())
+    {
+        GameObject* pGo = _player->GetGameObjectIfCanInteractWith(guid, GAMEOBJECT_TYPE_QUESTGIVER);
+        if (!pGo)
+        {
+            DEBUG_LOG("WORLD: %s - %s cannot interact with %s.", descr, _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
+            return false;
+        }
+    }
+    else if (!_player->isAlive())
+    {
+        DEBUG_LOG("WORLD: $s - %s is dead, requested guid was %s", descr, _player->GetObjectGuid().GetString().c_str(), guid.GetString().c_str());
+        return false;
+    }
+
+    return true;
+}
diff --git a/src/game/SpellAuras.cpp b/src/game/SpellAuras.cpp
index 07acebdd8..a22c81617 100644
--- a/src/game/SpellAuras.cpp
+++ b/src/game/SpellAuras.cpp
@@ -2874,8 +2874,9 @@ void Aura::HandleAuraDummy(bool apply, bool Real)
                             target->PlayDirectSound(14972, (Player *)target);
                     }
                     return;
-                case 40131:
+                case 10848:
                 case 27978:
+                case 40131:
                     if (apply)
                         target->m_AuraFlags |= UNIT_AURAFLAG_ALIVE_INVISIBLE;
                     else
diff --git a/src/game/Unit.h b/src/game/Unit.h
index 06591900e..5d9040717 100644
--- a/src/game/Unit.h
+++ b/src/game/Unit.h
@@ -158,6 +158,9 @@ enum UnitStandFlags
     UNIT_STAND_FLAGS_ALL          = 0xFF
 };
 
+// byte flags value (UNIT_FIELD_BYTES_1,2)
+// This corresponds to free talent points (pet case)
+
 // byte flags value (UNIT_FIELD_BYTES_1,3)
 enum UnitBytes1_Flags
 {
diff --git a/src/game/WorldSession.h b/src/game/WorldSession.h
index d7fb6ab28..21d6b2e54 100644
--- a/src/game/WorldSession.h
+++ b/src/game/WorldSession.h
@@ -679,6 +679,8 @@ class MANGOS_DLL_SPEC WorldSession
         void HandleQuestLogRemoveQuest(WorldPacket& recv_data);
         void HandleQuestConfirmAccept(WorldPacket& recv_data);
         void HandleQuestgiverCompleteQuest(WorldPacket& recv_data);
+        bool CanInteractWithQuestGiver(ObjectGuid& guid, char const* descr);
+
         void HandleQuestgiverQuestAutoLaunch(WorldPacket& recvPacket);
         void HandlePushQuestToParty(WorldPacket& recvPacket);
         void HandleQuestPushResult(WorldPacket& recvPacket);
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 50662de7e..231794553 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "11924"
+ #define REVISION_NR "11925"
 #endif // __REVISION_NR_H__