Hand of Vengeance/Fallout: New Vegas

Hand of Vengeance is a companion perk in Fallout: New Vegas.

Effects
It is acquired by completing Heartache by the Number the violent way. This is done by killing Alice McLafferty and Gloria Van Graff instead of obtaining evidence against them in order to have the NCR justice system deal with them. Rose of Sharon Cassidy gains 15% more damage with Guns.