It's a fantasy role-playing game.

DM: You are Beauregard Lionett called Beau, a human monk . 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: If you want to move around to get onto land, otherwise you're going to be having a hard time in the water here attacking them because you're constantly swimming.
Player: Can I do that?
DM: You still have movement, yeah. So you can move five, ten, 15, 20, 25 there. So you manage to whip around, get out, up onto land and not end up with a disadvantage on your attacks.
Player: Okay, the first one is 15?
DM: 15 does hit, yes.
Player: Woohoo! Okay, second attack; not as good, 12.
DM: 12 does not hit, unfortunately. But the first strike, as you pull up, cracks it right in the jaw. The next one, it manages to bash your arm out of the way and it deflects off the side-- no impact.
Player: Okay, that's seven damage.
DM: All righty, the first strike.
Player: And then I am going to take my bonus and spend a ki point to do Patient Defense.
DM: Okay, so as you get up on land, you focus and looking around side-to-side, make sure that you're aware of everything around you and get ready to defend and deflect.
Player: A little in shock. (pants) Ah!
DM: Okay, that finishes Beau's turn. Jester, you're up.
