Mistress Nyx wanted to use her giantess powers to degrade this guy as he had failed in his test and she did not want to continue supporting a failure. That is why she did what she did to him and he learned his lesson the hard way. He cried but she did not care about his cries as she was focused on making sure he would not fail again. He never did.
Mistress Nyx was out to dominate as well as degrade these tiny people and she did it with her kinky giantess. She had to make sure that she degraded as well as humiliated the guy and she did so with her kinky giantess fetish. She got what she wanted as she was able to pass the message that she wanted to them and they got what she wanted to send.
Mistress Nyx had an issue with this guy and she chose to use her kinky giantess to deal with him. The giantess did it in a way he would never forget and this was by crushing him and smothering him with her giantess feet. He was then made to do some humiliating things and he had no choice but to do them as he was powerless against the kinky giantess.
Mistress Nyx is a kinky giantess who loves to dominate and humiliate. That is what she was out to do today and she did not hesitate to do it. She had to make sure that she dominated as well as degraded this guy which she did with her stomping and crushing. She took the tiny man and she put him in her stockings and she proceeded to stomp and smother him.
This tiny man needed to be punished as he was misbehaving. Mistress Nyx did it because she felt that it needed to be done and so she did not hesitate to do it. The mistress used her giantess feet to crush the guy and to dominate him in a way that needed to be done. He never messed up again after what the giantess did to him as he knew what she was capable of.