ICC check for enter

diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index c264547..56ad395 100755
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -251,6 +251,24 @@ bool MapManager::CanPlayerEnter(uint32 mapid, Player* player, bool loginCheck)
             player->SendTransferAborted(mapid, TRANSFER_ABORT_TOO_MANY_INSTANCES);
             return false;
         }
+
+       // ICC Raid
+       if (entry->MapID == 631)
+       {
+           uint64 _leaderguid;
+           _leaderguid = player->GetGroup()->GetLeaderGUID();
+           Player* _leader = sObjectMgr->GetPlayer(_leaderguid);
+           if (!_leader)
+               return false;
+           switch (targetDifficulty)
+           {
+               case RAID_DIFFICULTY_10MAN_HEROIC:
+                   return _leader->GetAchievementMgr().HasAchieved(sAchievementStore.LookupEntry(4530));
+               case RAID_DIFFICULTY_25MAN_HEROIC:
+                   return _leader->GetAchievementMgr().HasAchieved(sAchievementStore.LookupEntry(4597));
+           }
+       }
+
     }

     //Other requirements