This achievement is tied to Scarlett story.
*** Spoiler - click to reveal ***At the beginning of the turn you will spot undead emissary and lizard emissary. Their problem will be that it turned out that one of the more prominent artist turned out to be gay and undead wants to destory all her work. Go to bar and talk to Scarlett to make a decision. To get this decision you need to allow undead to destroy the art.