Dungeon Master 1 Game Cheats
Go to the dungeon entrance and face the door. Cast the spell OH EW RA. You will see someone interesting. To advance ninjas a level, stand in a hall and throw your weapons. Then get them, and repeat. This also works with magic and fighter levels. Cast a spell at the air, or slash and bash until you gain a level. Also, to make your character advance levels, simply attack thin air.