Goblin King's Pendant is a pendant that is under the Goblin King's Contract.
When used, the Goblin King can be heard cackling, making a 'hehe' sound.The Goblin King tells the user when there is ten seconds left of the buff and counts down to 1 before the skill dissipates.
Dark Magician Job Advancement Quest
Dark used the Gobling King's Pendant and was able to match the dehorned Lazie for a short period of time. When Dark used it he felt strong for the first time in his life. He was able to deflect a blast from Lazie.