Dragon Quest Monsters: Joker Cheats
Find a moster with equipment that you can add to it an add from the weakest to the strongest weapon. It will increase the stats of the monster until you take the weapon off.
Read the board in the scout's room and there's a note that says which islands the ship will be between. Rest until it's night and go ride between the islands on the water scooter. Eventually you will see the ship. You will have to fight if you find the ship, so be prepared.