Royal Jelly Essence

 is a Dungeon Keeper Essence.

Obtaining

 * Crafted by a Alchemist (Lv. 20) from
 * 1 Royal Mint Jelly
 * 1 Royal Strawberry Jelly
 * 1 Royal Bluish Jelly
 * 1 Royal Lemon Jelly

Uses

 * Used in the craft of
 * Royal Jelly Slapper