Mistress Nyx did not want to harbor a thief in her house so when she found out that her slave had stolen from her, she had to punish him. She did it in a way he never expected and that is why she had to punish him. The mistress fisted him in his butt to make him feel pain and humiliation. By the time she was done with him, he knew he would never steal again.
Mistress Nyx did not like how dishonest this guy was and she did not want to be an enabler to his dishonesty. So she chose to fist and dominate him for her own fun. The mistress knew that by the time she was done with him, he would never want to piss her off or be dishonest and that is why she cruelly fisted him in the butt. It was brutal.
This guy tried to steal from mistress Nyx thinking no one was home. But she was around and she caught him as he tried to steal. He was scared shitless and tried to run away but she could not let him. The mistress fisted him as punishment after which she let him go. She did not bother to inform the authorities as she felt that he would never do it again given what she had done to him.
Mistress Nyx was mad when she learned that this guy had lost her money. It was a lot of money and she had to send a clear message to the guy that she wanted the money back. She did not care how he got the money back and that is why she went out of her way to make sure he understood her. The mistress fisted him in the ass and the pain made him understand her.
Mistress Nyx wanted to send a cruel message to this guy and she used her fisting femdom to do it. She did not want the guy to misunderstand her and she did not want him to think that he could do whatever he wanted. That is why she went out of her way to fist him in the ass and make sure the pain was able to communicate to him.