The Last Airbender NDS Cheats

At the 'Main' menu go to 'Profiles' and select 'Options'. Then choose 'Cheats Codes' and enter the following combinations to unlock the corresponding effect.

Focus Upgrade:
Enter Earth, Earth, Water, Earth as a code.

Heavy Hitter:
Enter Water, Earth, Fire, Fire as a code.

Upgrade Health:
Enter Air, Water, Fire, Fire as a code.