Since a number of you are interested in what avatars do, I'm making an Avatar Guide to help you figure out which stats do what.
You can only get ONE of these options per Avatar
Body Avatar
This avatar lets you choose a level bonus to ANY skill. I'm not going to translate all the skills because you get the idea of course.
Pants Avatar
1: HP Max +250
2: MP Max +250
3: Physical Defense +600
Hair and Hat Avatar (Stats are the same for both)
1: Intelligence +30
2: Mind +30
3: HP Regeneration of 24 HP per 1 Minute
4: MP Regeneration of 24 MP per 1 Minute
5: Cast Time reduced by 12%
Face and Chest Avatar (Stats are the same for both)
1: Magical Defense +600
2: Resist to all status effects +15
3: Attack Speed +5%
4: Hit Recovery +150
Belt Avatar
1: Resist of fire element +25
2: Resist of light element +25
3: Resist of dark element +25
4: Resist of ice element +25
5: Evasion +4%
6: Carrying Weight +9.000kg
Shoe Avatar
1: Power +30
2: Health +30
3: Move Speed +5%
4: Jumping Power +40
Skin Avatar
+80 Hit Recovery as well as one of the below options
1: +3% Physical Defense
2: +3% Magical Defense