When you reach the 20th floor use BOUND spell and leave to go empty your inventory of all items but a staff and two pita fruits (or a big pita fruit). Go back to the 20th floor and back through the door, then go straight down till the grass won't let you go any further and press the SE direction on your touch screen. Use the BOA spell there and you should find a Sealing Orb. Keep going in and out until you have no more magic, then use the fruits and stock up until you can't hold anymore items. Go sell them at the item shop for 900-1000g - you should esily get 20,000g or more in one trip.
GamesRadar is the premiere source for everything that matters in the world of video games. Casual or core, console or handheld - whatever systems you own or whatever genres you love, GamesRadar is there to filter out what's worth your time and to help you get even more from your games. We deliver the best advice, the most in-depth features, expert reviews, and the essential guides for all the top games.