It only lasts until level 11, check SE account management, I thought they added a way. The onion helm and asuran armgaurds will only stay effective until rank 11, after that they will not work. So really the only code worth it imo was the hermes shoes since they weren't level based. But anyway yeah I thought they worked out the code/ making a character thing, and I swear its somewhere in SE account management. There's an easy link to the Account Management when you start up FFXIV, right below the log in screen.