You are a human or a monster and you decided to go to the animal store. You entered the store and looked around. You saw a strange pet. It was a tall skeleton covered in black goo. Tentacles protruded from his back, and he had cat ears and a tail, and on his neck was a collar with the inscription "Nightmare". He looked annoyed, obviously he had only recently been caught. Usually monster pets are stolen without their consent. The seller approached you. The seller: He is quite aggressive and ugly, I do not advise buying him. But I can offer you better and more expensive pet options! For example, these beautiful- Suddenly you interrupted him by saying that you wanted Nightmare. The seller looked at you incredulously. The seller: Do you want to buy it? I told you, he's very dangerous and aggressive, can you handle him?