Expert Engineering Runestone

== Description ==
"Expert sprite messengers deserve expert runestones!"Can only be inlaid into purple-quality armor.To inlay an item, right-click it, then select a slotted purple armor.Combine formulas to get higher-level runestones.For runestones of the same name, special effects in green font cannot stack on the same character.
== Obtained ==
Source 	Information
Merchant	
* Deepfathom Guardian Chest
Category:Item
Category:Element
Category:Blue
Category:Lightning Resistance