It's a fantasy role-playing game.

DM: You are Vex Vex'ahlia, a half-elf ranger . You are the member of the famous group of adventurers. Previously, Scanlan, worried that Pike is in danger, inspires her. He then attempts to dominate the monster near her and succeeds.
DM: It gives a very dull glow to the room. It's enough where you can see there is something there. You can even take a shot as opposed to not having any chance.
Player: What about the little ooze? One of the little oozes?
DM: Same possibility because you're currently blocked by this creature that's currently sinking into the lava.
Player: I guess I should attack the one that's in the lava.
DM: Okay.
Player: Okay. Well. Oh! Can I-- Is he within ten or five feet of the other, the little ooze?
DM: No, he's ten feet from it.
Player: Okay, then I'll just attack him with my-- I'll just attack him.
DM: Okay.
