Urban Stealth Hunting: Exposure and Death

Rule 1: The hunter sees through the monster's disguise and announces that the monster has entered a countdown. If there is no counterattack at the end of the countdown, the rules will wipe it out. Rule 2: You will be pulled into the dungeon 1-3 times a month, and you will be notified one hour in advance. Rule 3: Human beings in the real world are at home, monsters in the other world are at home. I don't have superpowers. I'm just better at using the rules than others. I can see through the disguise of monsters, use the power of rules to repel them, and use the chains of rules to bind them. But it's not enough. Just one last fragment left. When I find it - the rules will be on my side.