Oracle of Ages Trading Sequence
The Trading Sequence in Oracle of Ages is an optional side-quest that results in Link receiving the Noble Sword.
Poe Clock
To begin the Trading Sequence, Link must talk to the Poe in Yoll Graveyard. He can be found next to a rock near the Spirit's Grave dungeon. If Link moves the headstone blocking the Poe's tomb , he will give Link the Poe Clock.
Stationery
To obtain the Stationery, Link must travel to the Post Office in Lynna Village and give the Postman the Poe Clock. The Postman will rush out of the Post Office, but not before giving Link the Stationery.
Stink Bag
For this part of the Trading Sequence, reminiscent of a side-quest in Majora's Mask, Link must talk to ???, who can be found in a house on the western part of Lynna Village will ask for paper. If Link gives him the Stationery, he will give Link the Stink Bag in return.
Tasty Meat
On Crescent Island in the present, there is a Tokay cook with a bad cold. If Link presents the Stink Bag to him, it will clear up his cold. As thanks, the Tokay will give Link the Tasty Meat.
Doggie Mask
To obtain the Doggie Mask, Link must go to the Happy Mask Shop in Lynna City. By talking to the Happy Mask Salesman and giving him the Tasty Meat, Link will receive the Doggie Mask.
Dumbbell
If Link talks to Mamamu Yan in Lynna City near the Black Tower, she will give him the Dumbbell in exchange for the Doggie Mask.
Cheesy Mustache
The Cheesy Mustache is obtained by giving the Dumbbell to the Thin Man in Symmetry Village. The Thin Man can be found in the basement of the house in the middle of Symmetry Village in the past.
Funny Joke
To obtain the Funny Joke, Link must give the Cheesy Mustache to the Lynna City Comedian.
Touching Book
Link can tell the Funny Joke to Dekadin, the sad boy in Lynna Village. For cheering him up, he will give Link the Touching Book.
Magic Oar
To obtain the Magic Oar, Link must have an encounter with Maple. This can be done by defeating thirty enemies (or fifteen with Maple's Ring), then heading to one of the Maple locations in the past as shown on the right. When Link runs into Maple, he will drop the Touching Book, which Maple will take. In return, she will give Link the Magic Oar.
Sea Ukulele
The Sea Ukulele is obtained by talking to Rafton. His house can be found on the South Shore near the Black Tower in the past. He will take the Magic Oar and give Link the Sea Ukulele.
Broken Sword
In a cave near the Coast of No Return, Link will find the Old Zora. If Link gives him the Sea Ukulele, he will give Link the Broken Sword#Oracle of Ages, the final item in the Trading Sequence before the reward.
Noble Sword
If Link brings the Broken Sword to Patch, he will repair it if Link helps him with his "ceremony". After completing the "ceremony", Patch will grant Link the Noble Sword, thus ending the Oracle of Ages Trading Sequence.