5e SRD >Feats >

Violent Motivation

You’ve grown more powerful and cunning, having seen first hand how violence motivates the weak under your command. Gain the following:

Increase your Charisma by 1, to a maximum of 20.

You may do damage equal to half your level to any creature you control as a bonus action on your turn. This damage may not be prevented by any means. If you do so, the creature gains advantage on an attack or check made on their turn.