Winged Jelly of Resurrection

Winged Jelly of Resurrection (Korean: 부활의 날개 젤리, buhwal-ui nalgae jelli) is a Rare Treasure released alongside Ice Candy Cookie during the Winter Sports Festival! update. It revives the Cookie relative to the amount of Jellies collected during the run.

Story
''A VERY special Jelly that was made with addition of the Elixir of Immortality. It's too bitter, just like everything that is good for your health.''

Trivia

 * Winged Jelly of Resurrection and Bearstone Ring were released in the same update.
 * Winged Jelly of Resurrection's description used to call it "cute on the inside," but this was silently removed.