This Proficiency defines a specific Narrative Moment that a Yarn-Teller character may take if they were particularly adapt at creating said moments
Narrative Moment Tergiversation
Some Characters change their minds often, in fact they can be dizzyingly indecisive, other Characters are steadfast and decisive, so when they change their minds, it really is a strong Character moment. The goal of this event is to make a character change their mind, this may involve being persuaded to change their minds by an NPC (or repeatedly in some cases), can be difficult to arrange in game.