Key to the Blop Dungeon

 is a key.

Obtaining

 * Dropped by
 * Coco Biblop
 * Indigo Biblop
 * Pippin Biblop
 * Morello Cherry Biblop
 * Coco Blop
 * Indigo Blop
 * Pippin Blop
 * Morello Cherry Blop
 * Crafted by a Handyman (Lv. 40) from
 * 10 Blop Pollen
 * 5 Cherry Blop Flower
 * 5 Coco Blop Flower
 * 5 Indigo Blop Flower
 * 5 Pippin Blop Flower

Uses

 * Access
 * Blop Dungeon