Secret Area: At the bottom of an Ad in the October 2003 issue of Shonen Jump is the passcode- Abrasive False Tragedy.
Unlock Terajima Ryoko
She will post a message on the board asking you to go to a dungeon. She is in the bottom level, find her and on return to the Sigma Server, she'll give you her member address.
Enter the words ''Resonating'' ''Worst'' followed by almost any word in the third category to access 67 different level 70 elemental dungeons.