|Final Fantasy III Boss|
Medusa will probably be the hardest boss fought so far, so it is not a bad idea to grind before entering the Tower of Owen. Players should keep healing petrified allies, as the game is over if all four party members are petrified.
The party's Black Mage should throw out Level 2 spells. Once all Level 3 MP is used, one can start using Blizzard. One can use Antarctic/Arctic Wind(s) against her for heavy damage. The White Mage should heal/reverse status effects, and the other two party members should attack or use Potions when necessary.