Lufia 2: Rise of the Sinstrals Route

Note that this route requires that you have no save files on your cartridge. To erase data, hold start+select as you turn on the game and continue holding until you get the erase file dialog

After initial talk with Tia, go back in and shop:

Up to sell, sell, sell 10 potions, down to buy, buy 1 escape and buy 3 boomerangs.

Walk up to Jelly (He should move down to you). Auto attack for 8 damage.