Unstoppable Force

"Your martial might is truly legendary. You do a large amount of additional damage through enemy blocks with all Melee Weapons and Unarmed attacks."

Unstoppable Force is a perk in Fallout: New Vegas.

Effects
More specifically, this perk multiplies your Melee and Unarmed damage by 4 when you strike a blocking opponent, which allows you to inflict serious damage in spite of the additional Damage Threshold provided by their blocking.

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