It's a fantasy role-playing game.

DM: You are Caleb Widogast, a human wizard . You are the member of the famous group of adventurers. Previously, He tells her he wants entry to the library, and she shows him her Cobalt Soul belt saying she can get him in. In the audience for the competition are Lawmaster Orentha Stonegrasp, Dolan Thrym, Starosta Wyatt Fedar, and Headmaster of the Zauber Spire
 Oremid Hass, one of the two mages who attacked the two fleeing Kryn warriors a few nights earlier.
DM: Success, it does not knock you prone. It bites and tries to throw you onto the ground, but you push off of its jaws and use the back of the wall to steel yourself and kick its mouth off of you and still stand there, resolute, with your blade in hand. The other one is going to attempt to break free. It does not like being held in place by there. What does it have to roll to break free?
Player: 15.
DM: 15? What kind of check?
Player: Oh, strength.
DM: Strength? 13 plus four, that's 17, yeah. It manages to break free of the hand.
Player: That's its action, correct, to break free?
DM: That's its action, correct. It will move over here to flank up right there. Beau, you do get an attack of opportunity as it moves out of the space, and if you hit it, it does prevent it from moving.
