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Library Key

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Library Key
Obtaining the Eyeglass Library Key.
Use(s) Opens Eyeglass Island Library
Quote1.png The key to vast knowledge Quote2.png
— Inventory description
Library Key.png

The Library Key is a quest item found in Oracle of Ages that serves to open Eyeglass Island Library.[1] After curing King Zora's deathly illness with the Magic Potion in the past, the king gives Link the Library key in the present. King Zora hopes that Link can research the cause of the filthy seawater at the Eyeglass Library,[2] which has left Lord Jabu-Jabu near death.[3]

Upon entering the library, Link discovers that, long ago, Fairy Powder was kept in the back of the library, but it had since been taken away.[4] In the back of the library, Link finds an Old Man who gives Link the Book of Seals.[5] Link returns to the library in the past and gets the Fairy Powder from the back of the library. To get to the Fairy Powder, Link must solve a puzzle using the Book of Seals from the present.

With the Fairy Powder, Link lifts the curse on the Queen Fairy,[6] who will then cleanse the seas.[7] This allows Link to enter Jabu-Jabu's Belly, the seventh dungeon of the game.


  1. "This is the key to Eyeglass Isle Library east of here." — King Zora (Oracle of Ages)
  2. "...Perhaps you can research why the seawater is so filthy." — King Zora (Oracle of Ages)
  3. "Anyhow, the filthy seawater has left Jabu-Jabu near death." — King Zora (Oracle of Ages)
  4. "Long ago, Fairy Powder was kept in this very library. However, at some point in the past, someone took it away, and now none remains." — Eyeglass Island Librarian (Oracle of Ages)
  5. "I give to you the Book of Seals!" — Old Man (Oracle of Ages)
  6. "You brought me Fairy Powder! Now I can return to normal!" — Queen Fairy (Oracle of Ages)
  7. "Thank you, young one! Now I can cleanse the seas of evil!" — Queen Fairy (Oracle of Ages)

TMC Forest Minish Artwork.png Names in Other Regions TMC Jabber Nut Sprite.png
Language Name Meaning
Japan Japanese としょかんのカギ (Toshokan no Kagi) Library Key
French-speaking countries French Clé Bibliothèque
Federal Republic of Germany German Büchereischlüssel
Italian Republic Italian Chiave Biblio
Kingdom of Spain SpanishEU Llave de la Biblioteca