It is a threshold jewel that enhances Spark and Vaal Spark. This item can be acquired through the following upgrade paths or vendor recipes:
(10-15)% increased Lightning Damage
With at least 40 Intelligence in Radius, Spark fires Projectiles in a Nova
With at least 40 Intelligence in Radius, Spark fires 2 additional Projectiles
(20-15)% reduced Spark Duration
Of the elements at the thaumaturgist's disposal, lightning remained the least understood.The simple passage of energy from one to another could result in profound power, or rapid death.
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Price in Leagues