Find the man selling Morph potions north of the town. Buy a Morph potion for 100 gold and drink it. Stay on the same screen and wait until Kilgaly morphs into "Link". Then, enter one of the following codes:
Cheat Code - Result
* ksiamgod - All 4 spells * ksgiveme - Maximum money * ksliveitup - Maximum HP * ksbadpower - Maximum MP * kswoahbaby - Maximum attack * kslensboy - Kilgaly encased in a bubble * kschicken - Disable fights on field * kslifesucks - Commit suicide * ksitstoeasy - End game * kswhodidit - Unknown * ksroshambo - Unknown