Crystal of Unstable Darkness

- Description: Combine the four crystals filled with wickedness to create this crystal. The crystal emits powerful dark aura and you can hear voices whispering from the crystal. It's been said that a group of people tried to use Crystal of Unstable Darkness in an attempt to plunge the world into chaos, but the plan failed for unknown reasons. You need to find a way to purify the Crystal of Unstable Darkness. ※ Right-click on the item and press find NPC to go to the designated location.