It's a fantasy role-playing game.

DM: You are Percival de Rolo, a human gunslinger . You are the member of the famous group of adventurers. Previously, They stumbled upon a small hive of basilisks that surrounded an obelisk of Ioun, which gave them their first clue as to the location where this sphinx could be found. They battled the basilisks, destroyed their underground hive, or at least the exit from it, via Fireballs and Stone Walls and other such endeavors.
DM: However! Still rolled pretty low on the damage. That's going to be nine points of piercing damage for the second one.
Player: Can I use it again or no?
DM: What does it say on the glove? It's a reaction. You only get one reaction per round, so no, you cannot.
Player: What did they roll to hit, though?
DM: That one was a 20, a natural 20.
Player: A natural 20, so it hits no matter what.
DM: Yeah. So yeah, you take nine points of piercing damage as the other javelin streaks past you, it cuts past the shoulder, nothing too bad, but didn't quite take away from the moment that you just got to enjoy.
Player: I took eight points of damage?
DM: Nine points of piercing damage. All right, that ends that orc's turn. This one, the one that seems more decorated with the gem-encrusted headband runs out and starts shouting orders.
