Biggoron Sword
During your gameplay of Ocarina of Time, you will have the chance to aquire the Biggoron’s Sword by completeing a Trade Sqeuence. While this may be a powerful sword, Link will be unable to weild his shield while using it. Follow the guide below to complete the trade sequence.
Item #1: Weird Egg
To start the trade sequence for the Biggoron’s Sword you need to head to Kakariko Village. Once you enter Kakariko Village, talk to the Cuccoo girl. She’ll tell you that she’s breeding a new type of Cuccoo; and will hand you an egg.
Item #2: Cojiro
You’ve just received an egg and your probably wondering what it does. First of all; we need to hatch the egg. The egg will hatch in one day, so just play the Sun’s Song to speed this up a bit. Find the house in Kakariko Village where Talon of Lon Lon Ranch is sleeping, and use Cuccoo that hatched to wake him up. Take the cuccoo back to the Cuccoo girl and you’ll receive Cojiro, a blue Cuccoo in return.
Item #3: Odd Mushroom
Having just received Cojiro, a blue cuccoo, you should now go to the Lost Woods. Upon entering the woods, take your first left and show Cojiro to the lonely man. He’ll give you the Odd Mushroom in exchange for Cojiro.
Item #4: Odd Potion
Back to Kakariko we go. Take the Odd Mushroom to the potion shop up in Kakariko Village. Enter and Exit by using the left side door, then enter the potion shop from the back. After you’ve done this, give the Odd Mushroom to the lady at the counter.
Item #5: Poacher’s Saw
Head back to the same location as Item #3, and this time you’ll find a little girl. Give her the potion and you’ll get the Poacher’s Saw in return.
Item #6: Biggoron’s Broken Sword
You’ll be on your way to Gerudo Valley for this job; so you’ll need to call Epona. When you arrive there; the bridge will be broken. To cross the bridge, just force Epona to speed up and jump over the hole. Show the Poacher’s Saw to the carpenter there, and you’ll receive the Biggoron’s Broken Sword.
Item #7: Prescription
Head to the top of Death Mountain, and you will find Biggoron. Show him the Biggoron’s Broken Sword, and he’ll tell you that he is having eye problems. He’ll then hand you a Prescription.
Item #8: Eyeball Frog
Go to Zora’s Domain and show the Prescription the Biggoron gave you to King Zora. He’ll hand you the Eyeball Frog.
Item #9: Eyedrops
Give the Eyeball Frog from King Zora to the old man in Lake Hylia’s labs. He’ll give you the Eyedrops to take the Biggoron. Be careful; the eyedrops will expire if not delivered on time.
Item #10: Claim Check
Assumming they do not expire before this; go back to Death Mountain and show the Biggoron the Eyedrops. He’ll be able to see now and will give you the Claim Check.
Item #11: Biggoron’s Sword
Play the Sun’s Song a few times after you get the Claim Check, and show the Biggoron the Claim Check. He’ll then give you the Biggoron’s Sword. On the off chance he doesn’t give it to you; just go into a room, or play the Sun’s Song again.