The increased buff effect only affects the added lightning damage, and will not improve the offensive portion of Herald of Thunder. Fidelitas' Spike can drop anywhere. It can be chanced.
+25% to Global Critical Strike Multiplier
No Physical Damage
Adds 1 to (40-50) Lightning Damage
(25-30)% increased Attack Speed
Grants 2 Life per Enemy Hit
(15-20)% chance to Shock
Herald of Thunder has 50% increased Buff Effect
Maligaro was transformed by Raulo's love.Thaumaturgy allowed Maligaro to return the favour.
A simple tool to price check your items in path of exile by "copy and paste". It is that simple!
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[3.3] Mock Shock and Smoking Apparel - An Elemental Hit, Inpulsas, AoF, Melee Critquisitor