Ocarina of Time Trading Sequence

The Trading Sequence in Ocarina of Time is an optional side-quest that only Adult Link can complete. For completing the side-quest, Link receives the Biggoron's Sword, a powerful two-handed blade. To complete the Trading Sequence, Link must free Epona from Lon Lon Ranch.

Pocket Cucco
To begin the Trading Sequence, Link must talk to the Cucco Lady in Kakariko Village, who will give him the Pocket Egg. After a full day, a Pocket Cucco will hatch from the Pocket Egg. "Look! a chicken hatched from the egg you were incubating! It's the miracle of life!"

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Cojiro
Once the Pocket Cucco has hatched, Link must use the Pocket Cucco in front of Talon, who is sound asleep in a house in Kakariko Village. Doing so will wake him up. Link can then return the Pocket Cucco to the Cucco Lady. Pleased with Link's work, she will give him a rare blue Cucco named Cojiro. "You returned the Pocket Cucco and got Cojiro in return! Unlike other Cuccos, Cojiro rarely crows."

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Odd Mushroom
To obtain the Odd Mushroom, Link must take Cojiro to the Lost Woods and present it to Grog, who will be sleeping up against a tree stump near the entrance to the Lost Woods. Grog will wake up, then give Link the Odd Mushroom. Grog will beg Link to take the Odd Mushroom to the Old Hag who owns the Potion Shop in Kakariko Village, but warns Link that the Odd Mushroom will disappear if he takes too long. Link cannot warp to Kakariko Village or the Odd Mushroom will spoil automatically. "You got an Odd Mushroom! A fresh mushroom like this is sure to spoil quickly! Take it to the Kakariko Potion Shop, quickly!"

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Odd Potion
If Link can successfully bring the Odd Mushroom to the Old Hag within the three-minute time limit, she will make some Odd Potion for Grog. "You received an Odd Potion! It may be useful for something... Hurry to the Lost Woods!"

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Poacher's Saw
If Link returns to the area where he found Grog, Fado will be there instead. If Link gives her the Odd Potion, she will in turn give him the Poacher's Saw. "You returned the Odd Potion and got the Poacher's Saw! The young punk guy must have left this behind."

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Broken Goron's Sword
To obtain the Broken Goron's Sword, Link must return the Poacher's Saw to Mutoh, the leader of the Carpenters. Mutoh can be found in Gerudo Valley. In exchange for the Poacher's Saw, Mutoh will give Link the Broken Goron's Sword. Either Epona or the Longshot is needed to complete this part of the Trading Sequence. "You traded the Poacher's Saw for a Broken Goron's Sword! Visit Biggoron to get it repaired!"

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Prescription
Link must take the Broken Goron's Sword to Biggoron on top of Death Mountain. Biggoron will say he would gladly repair the sword, but is currently unable to because of his irritated eyes. He will then give Link a Prescription for some Eye Drops, to be taken to King Zora. "You checked in the Broken Goron's Sword and received a Prescription! Go see King Zora!"

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Eyeball Frog
To receive the Eyeball Frog, Link must travel to Zora's Domain and present the Prescription to King Zora (he will need to be unfrozen with Blue Fire from the Ice Cavern if Link hasn't done so already). He will then give Link the Eyeball Frog, the essential ingredient for making Eye Drops. Link must bring the Eyeball Frog to the Lake Scientist within a three-minute time limit, or else it will spoil. Link will be unable to make it to the Lakeside Laboratory in time unless he has Epona. Once again, warping is not allowed. "You used the Prescription and received an Eyeball Frog! Be quick and deliver it to Lake Hylia while it's cold!"

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Eye Drops
If Link can make it to Lakeside Laboratory before the Eyeball Frog spoils, the Lake Scientist will make the Eye Drops, which, once again, must be delivered quickly before they go bad. Link will have four minutes to bring the Eye Drops to Biggoron on top of Death Mountain. As usual, Link cannot warp to Death Mountain. "You traded the Eyeball Frog for the World's Finest Eye Drops! Hurry! Take them to Biggoron before they go bad!"

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Claim Check
If Link can manage to bring the Eye Drops to the top of Death Mountain within the four-minute time limit, Biggoron will start fixing the Biggoron's Sword. In the meanwhile, he will give Link a Claim Check to be returned in a few days time when the work is complete. "The Biggoron's Sword... You got a Claim Check for it! You can't wait for the sword to be completed!"

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Biggoron's Sword
Three days after Biggoron gives Link the Claim Check, Link can finally claim the Biggoron's Sword, thus ending the Trading Sequence. The Biggoron's Sword is the most powerful weapon in the game. Link must wield it with both hands, meaning he cannot defend with his Shield with the Biggoron's Sword equipped. "You handed in the Claim Check and got the Biggoron's Sword! This blade was forged by a master smith and won't break!"

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