After beating the earth fiend, you can get the canoe from the circle of sages at crecent lake. After getting the canoe go to the ice cave and get the floater, then go to the castle of ordeals and get the rats tail (having fire 2 or 3 helps alot). Go and get all of your guys upgraded and then get 50000 gp's and go to the caravan and buy the bottle, go to Gaia and get the oxyale from the farie, go into the submarine at onrac and work your way up stairs and get all the treasures in the top room. Don't worry, there are no enemies in this room. GET THE SLAB then get out of there. Go to melmond and learn Leifinish, then go to Leifin and get the chime which lets you into the mirage tower. After that go take the canoe up past Onrac and into the waterfall to get the cube from the robot. Go through the mirage tower (collect treasures if you think you can, need some luck here) and go to the sky castle to get the adamant then get out as fast as you can and go to the dwarf. Get excalibur. By now you should have very advanced equipment and you haven't even fought the fire fiend yet. With some luck you can pull this off and the rest of the game should be a lot easier.