Crystal of Unstable Darkness

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.

※ Press Secondary Attack on the item and press find NPC to go to the designated location.