if (Creature* pBoss = me->SummonCreature(VEHICLE_TO_SUMMON1,SpawnPosition))
                if(Creature *pMounterBoss = me->SummonCreature(NPC_TO_SUMMON, SpawnPosition))
                {
                    switch(uiSummonTimes)
                    {
                        case 1:
                        {
                            uiVehicle1GUID = pBoss->GetGUID();
                            uint64 uiGrandChampionBoss1 = 0;
                            uiGrandChampionBoss1 = pMounterBoss->GetGUID();
                            if (Creature *pBoss = Unit::GetCreature(*me, uiVehicle1GUID))
                                if(Unit *pUnit = Unit::GetUnit(*me, uiGrandChampionBoss1))
                                    if (Vehicle* pVehicle = pBoss->GetVehicleKit())
                                    {
                                        pUnit->EnterVehicle(pBoss);
                                        pUnit->SendMovementFlagUpdate();
                                        if(pUnit->GetVehicle())
                                        pUnit->SetFlag(UNIT_FIELD_FLAGS,UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_OOC_NOT_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE);
                                    }
                        }


                        if (pInstance)
                        {
                            pInstance->SetData64(DATA_GRAND_CHAMPION_VEHICLE_1,uiVehicle1GUID);
                            pInstance->SetData64(DATA_GRAND_CHAMPION_1,uiGrandChampionBoss1);
                        }
                        pBoss->AI()->SetData(1,0);
                        break;
                    }