In order to make AANG, KATARA, SOKKA, AND HARU`S abilites stronger, equip these to them
Aang: Equipment that says Four Winds.
Katara: Equipment that says Lifebender.
Sokka: Equipment that says Soul Iron.
Haru: Equipment that says Core.
When on the max. level(20) the max. you can get is 95, with all equiped. They are all set items so sell items you don`t need.
Select the Code Entry option at the Extras Menu, then enter one of the following codes to activate the corresponding cheat function
54641 1-Hit Dishonor
97831 Character Concept Gallery
34743 Double Damage
53467 Neverending Stealth
23637 Unliimited Copper
24463 Unlimited Chi
94677 Unlimited Health
37437 Unlock all Treasure Maps