Aura of Hate is a Class Feature of 
Oathbreaker Paladins. This ability allows a Paladin to add damage to their allies attacks.
Description
You and any nearby fiends (and undead) gain additional damage to melee weapon attacks equal to your Charisma Modifier. The aura disappears if you fall Unconscious.
Properties
Range: Self
AoE: 3 m / 10 ft (Radius)