Super Mario RPG Megasmilax

Megasmilax Boss can easily be defeated by using Mario, Mallow and Geno as long as you have both the safe ring and badge equipped on Mallow and Geno. Use the Snowy special and Boost special plus timed attack with Geno and you should be fine. You can also choose you're own party and giver! make sure to grab the Seed after the battle for the Lazy Shell.