After pressing CTRL + SHIFT + Z, activate the following cheats by entering the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
Aren learns all spells - gotta have magic
Maximum stats for all characters - why am I so dull
Destroy all enemies on battle screen - some call me tim
Teleport party to start of chapter - ask a glass of water
Access powerful items - supermarket for the rich
Heal the party - man does my leg hurt

At Chuno, speak to everybody in town. After that, go to the barkeep and he will tell you that everyone there has been lying except for one person. Choose the soldier and you will get an Everedge Sword.