
In case you're unfamiliar with the Final Fantasy 14 community, recently, a mod named Mare Synchronos—which had many thousands of users at its peak—was sent a cease & desist order. The mod in question allowed players to share their modded appearances with each other, either via an individual code, or by allowing players to join 'syncshells'.
From a community standpoint, Mare was used in two ways—either for innocuous roleplayers or outfit enthusiasts to customise their character, say, by giving a human model pointy ears—or, and I say this without judgement, smut. There is an enormous underground modding scene in Final Fantasy 14, covering both adult and non-adult content.