Silver Tongue
From NsdWiki
Expoint Cost: 4
You have a wicked tongue and cutting humor that can both charm and annoy others. You receive a +2 bonus to Taunt and Bluff checks. You've got a career in politics… or used-car sales.
Incompatible with
Deaf, Mute, and Speech Impediment
Requires
A minimum Persuasion of 6