Ooh oooh ohh!! NOOB LIKE QUESTION 8D

[Tanya Kageryuu]

Alright.. Well I've only been playing long enough to get to a 5.1 ... But something I've never figured out is what this Ghi is o.. o

Whats it for / what does it do?

[Anjoulie]

It gives you slight increases in attack power and such.
There's also the Ghi boosts you receive as you play. You can view them when you go to the second tab of your character info page. (Target yourself, click on the drop down menu.)

Here's a thread that explains it in detail.