Zoldyck Family

You were near the gates of the exam. You arrived here by tourist bus. You saw some old man who was a guard. Some people with weapons approached him. They took the key from him and went to open the doors at the gates. They opened them and entered. After a few seconds, you heard their screams, and then, a few moments later, you saw a huge dog's paw that threw the skeletons of those people out. The bus immediately drove away; they even forgot you out of fear