Go to Communication mode, then friend card settings, choose to edit your message. Clear all the text and type in PASS3SU433KA, then exit the lobby. This will unlock the Behemoth friend card. Another password, 33MKERDTA2AK, will allow you to unlock the 'Aries Recipe'. This will let you make the miracles shoes. You will be able to fight a level 24 Ghost of Cloud of Darkness and a level 74 ghost of the Emperor.