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, She hides after her shots are off. Vorugal uses his Legendary Action to tail attack you'ildan, slamming him around but you manages to catch himself.
DM: Okay, good to know. End of your turn, Vorugal is going to use his legendary action to make a tail attack against Vax.
Player: Is that melee? Can I use Uncanny Dodge?
DM: You can if it hits you, yeah. So that is a 26?
Player: Shite! Yeah, Uncanny Dodge.
DM: Okay. So as you get up there and the arrows smack into the sides, from both Vex's attacks--
Player: Wait! I want to use my last Luck to make him roll again. Which I can do.
DM: Okay, you can. That is 27.
