Yakra's Key

The  is a Key Item in. Held on Yakra XIII's person, he must be battled to obtain it. The key opens a chest on the staircase of Guardia Castle -- inside is the real Chancellor.

Story
After Marle brings the Prism Shard to the Guardia Castle courtroom to prove her father innocent of selling the Rainbow Shell heirloom, the party engages in battle with Yakra XIII, who was disguised as the Chancellor. Defeating the creature awards the party with Yakra's Key, which allows the party to open a chest in the castle that contains the real Chancellor.