FF6 - Brave New World

Grar... this Mystery Egg. I even cheated and found, downloaded and played around with FF3usME to try and figure out what it does and it didn't help. It told me a couple things, but even on there one of the things it does is just "?".

Now I feel like I went behind mom and dad's back and found all of my Christmas presents, only to be told later that, "what you did was wrong and ruined the surprise, but you didn't even find everything."

Edit: OH. Comparing to other things reveals the last secret. Now I feel even worse, but at least I get to use this (actually really pretty great) item, now that I know what it does.