Context: We’re on a gnome-built ship, trying to discover and get rid of whatever has been sinking their ships as soon as they leave the harbor. It turns out to be a couple of homebrew aboleths-on-steroids.

Early on, our elf rogue suggests seducing the tentacles (homebrew aboleths on steroids) just to see the DM’s reaction.

Many rounds later, while a tentacle is thrashing around through a hole in the cargo hold, our elf cleric decides to actually go for it.

Cleric: Do I know the mating call?

DM: No, you wouldn’t know it.

Monk: You do have the crown of languages though.

Cleric: Oh, right! I want to try to seduce it speaking its language.

DM: O…kay. Roll for persuasion.

Cleric: Okay, that’s a 17.

The DM looks kind of uncomfortable, and the whole group bursts into laughter.

DM: The tentacle calms down and kind of gently brushes your shoulder. Roll a constitution save.

Cleric: 6.

DM: You’re now diseased. Also it now wants you to follow it into the water. *makes a come-hither motion to approximate the tentacle’s movement*

*more group laughter*

She subsequently fails a wisdom saving throw, is charmed, and follows it. (Fortunately the disease leaves her able to breathe under water.)