Lightning Bolt, Lava Burst, Chain Lighting, and their Overload spells have a X% chance to generate a stack of Fulmination, up to the maximum stack count stacks. Earth Shock If «Elemental Blast»: and Elemental Blast will discharge all stacks of Fulmination on the target, causing an extra X Nature damage per stack of Fulmination. Earthquake's cast time is reduced by X% per stack of Fulmination, and Earthquake deals X% more damage for each stack of Fulmination.