It's a fantasy role-playing game.

DM: You are Vax Vax'ildan, a half-elf rogue . You are the member of the famous group of adventurers. Previously, The damage quickly reverts them out of their eel forms. The fight comes down to simply destroying as many of the tentacles as they can, hoping this will allow them to get away.
DM: I just realised that, 'cause it says-- I forgot, it says here-- it says until the target's grapple ends the target is restrained, and attacks against restrained creatures have advantage.
Player: Is that at all connected to dexterity?
DM: No.
Player: No. Okay.
DM: Sorry.
Player: It's all right.
DM: So that is--
