Iridescent Pearl

Iridescent Pearl (Korean: 영롱한 진주조개, yeonglonghan jinjujogae, "Brilliant Pearl Shell") is an Epic Treasure released alongside Lobster Cookie in the first half of the Secret of the Lost City update. It summons a shell at certain intervals. When the shell is tossed enough times, it opens up and reveals a pearl that is worth a high amount of points.

Story
''A lustrous pearl that can only be found in the purest of waters. It is said the radiance is due to the rich nutrients found in the depths of the ocean it called home.''

Trivia

 * While not appearing in the story itself, This Treasure is mentioned by Candlelight Cookie in The Treasure and the Crow, as Crowberry Cookie was planning on stealing it while Candlelight Cookie wasn't looking.