What I'm trying to say is, well, there are tropes and there are tropes. I'm an academic writer and I understand general categories of plot devices, and Harry Potter relies on them as heavily as he does his wand.
Give you an example. I'll compose a story on the spot for your benefit. Rudd never got respect, though he worked hard. Yet somehow he believed himself to be different. His grandmother used to say he was special and had a great destiny. One day he was met by a stranger who took him by the hand and told him he would deliver his people from the evil. Why should I? Because it is your destiny, and you will save yourself and your loved ones by extension. So he dropped his pail and followed the man. They encountered a trickster.... well let's skip to the point past where the trickster's quick thinking saved the day twice, but now he was revealing his ultimate dark intentions. Rudd went on with the stranger, and they encountered the big baddie, someone who, ironically, was vulnerable to the very strength that villagers thought was Rudd's weakness. He is overcome. Rudd returns to the village and is not only hailed as a hero but viewed differently. He wrote his memoirs.
I couls literally blow out a plausible novel based entirely on tropes and purple prose in the first week of NANORIMO and go home.
But would I want to? Absolutely not. It is the creative equivalent of AI storytelling.