Their patience paid off and also the PS3 has clawed its way into the running for top level console on this generation. If the enemy doesn't see sneaking on him from behind or his side, then he can not cry to alert his comrades nor is he going to use a chance to fireside his weapon. Of course, like with all good story telling, Flynn double crosses Drake once the they obtain the oil lamp and instead gives off Drake to handle the security guards on his own.