Many natural riches are hidden in the winding depths of the Caves of Tremor. The luminous crystal mined there is especially valued by jewelers Ogriy and Khairli, who have been creating masterpieces of indescribable beauty from it since ancient times.
Part of the "Darkness of the Caves" collection. Poaching is punishable, Ghoul's Traps, Cave Dwellers, Wizard's Apprentice events can be participated in to obtain it.