Vengeance (Fallout 4)

Vengeance is a unique piece of armor in Fallout 4.

Gameplay
Vengeance is a right leg piece of T-60 power armor. The base DR of this armor is actually two points higher for both energy and ballistic damage than that of a standard T-60 right leg. It bears the Punishing legendary effect, which reflects 10% of melee damage received back on an attacker.

Location
It can be bought from Proctor Teagan on The Prydwen upon completion of A New Dawn.