King Yolkar

 is an NPC found in the Goblin Holdout in the Crystal Hollows. When talking to him and giving him, he will give the player the Potion Effect for 20 minutes, allowing the player to sneak past the Goblin Queen's guards into the Goblin Queen's Den to obtain the Amber Crystal. The Wishing Compass will point towards him while in the Goblin Holdout.

First interaction

 * * rumble* *rumble*
 * Did ya hear that, ? That's the sound of an empty stomach.
 * I've been so hungry since the Goblin Queen tossed me aside
 * Bring me back 3 Goblin Egg of any type and we can teach her a lesson!

Subsequent interactions without Eggs

 * Bring me 3 of any type of Goblin Egg and we can show the Goblin Queen what it's like to lose something she loves?!
 * Dark, right!

Subsequent interactions with incorrect item

 * That is certainly not the meal I am looking for! Bring me back some Goblin Egg [sic] and you will satiate my hunger.
 * Where are those 3 Goblin Egg? My Chef is waiting!

Subsequent interactions without enough Eggs

 * Great! You found a small amount of Goblin Egg! Come back to me when you have at least 3!

Following interactions

 * You must hurry! Get to the Goblin Queen before my stench escapes you!
 * And stay away from water!

Trivia

 * His name may be based off of the word yolk, the inner part of an egg, which may explain his constant hunger for Goblin Eggs.
 * The effect can be toggled on and off using Booster Cookie.
 * The effect will disappear when a player with this effect goes into water.