After beating Misery Mire go to the bomb shop in the dark world and purchase the 
super bomb.Go to the pyramid of power.Go up to the first part and look northwest 
of you and you'll see a crack in the side.Drop the super bomb here. It will open 
a doorway.Go in it.Go up to the little pond, Faerie Fountain. It will ask you if 
you will throw somthing in. Say yes. Then throw in  your sword to get a stronger 
sword. Throw in your bow & arrow and get the Silver Arrows.
Submitted by futre6 and mackey