These are some of the finest codes I have seen on the net for th Action Replay Code for Dungeon Explorer: Warriors of Ancient Arts

Enemies cannot attack

921A16E6 FF000050

021A16E8 E3A000FF

021A16EC E5C40085

D0000000 00000000

Infinite AP

020F7320 0003E700

This code will give you an infinite amount of AP

Infinite Art Points

220F7342 00000063

This code will give you infinite art points!

Infinite Health

921966B8 FF0000D8

021966BC EAF9A64F

02000000 E59F0004

02000004 E58106D8

02000008 E12FFF1E

0200000C 0003E700

D0000000 00000000

Infinite Item usage

92020426 FF00008C

02020428 E2411000

02022C48 E3A02000

02022BC8 E1A02004

D0000000 00000000

Maximum Character Stats

020F7184 03E703E7

020F7190 03E703E7

22306BBC 00000063

22306BC2 00000063

02306BC4 00630063

22306BC8 00000063

Maximum Level UP

Note: Kill one monster to level up to 99.

020F7324 00017ED0

Maximum Money codes

Max Money

020F7328 3B9AC9FF

Max Money in Bank

020F98E8 3B9AC9FF

Maximum Points

Press start+select

Note: you can not pass the character creation screen until your points are 0.

94000130 FFF30000

120F7344 000003E7

D2000000 00000000

Maximum Robot Stats

12305E8E 000003E7

12305E96 000003E7

02305E98 03E703E7

22305EA2 00000063

02305EA4 00630063

22305EA8 00000063

Maximum Special Attack

220F731D 00000064