User blog comment:IamJakuhoRaikoben/Chapter 330: Zirconis' Magic, Review./@comment-5268982-20130512160036/@comment-2214433-20130512162401

All the things you mentioned were filler. If she can make herself invisible to everyone but FT, she should be able to make her body intangible at will. Let me remind you that she was able to float @ Tenrou Island. I'm sure she's not stupid enough to let others "bump" into her. So this is definitely not the reason for not being there till this chapter...