It's a fantasy role-playing game.

DM: You are Yasha Nydoorin, a half-angel barbarian . You are the member of the famous group of adventurers. Previously, The party awakens to a clean-shaven Caleb. They descend into the first chamber.
DM: Fjord vanished. You see two now turning their eyes towards Mollymauk who's right there. There's one across the way that's currently barrelling on Beau and there's the one at the top of the stairs right now that looks like it's commanding a giant storm.
Player: I'm going to go over to the one by Beau.
DM: Over here?
Player: Yeah.
DM: So that's five, ten, 15, 20, 25, 35. You're in the water swimming, so your attacks are at disadvantage right now.
Player: Okay. All right.
DM: If you wanted to do Reckless, you could counteract that, but you'll be taking--
Player: Well, I had one natural 20, and then 18 was my lowest.
DM: Wait, so that was disadvantage?
