Abandoned House Abducted Girl

Most often, people are kidnapped for the purpose of ransom money, but there are cases that defy human logic. In your city, there was a villain, who is fond of dark magic and very often he sacrifices the people. He stole your familiar and put her in an abandoned house. The villain waits for the full moon to conduct a terrible rite, and before that time, he tied the girl chain. Save the poor girl.