Kalki - A Half Blood Prince

In our Hindu tradition many words like Satan, vampire, monster, and monster have been used. In the Bible it is called SETAN *.But if all this was in fact. So what is now? This story is about a boy whose mother had died in her childhood. He does not even know his father. That is why she got her mother's sister i.e. aunt. She did not like her much. That's why his attitude is like a servant. In school, she falls in love with a girl. But later he sees many mysterious changes in himself. He finds the reason for these changes. A fatal attack is on. And he knows the reason for all of these. How does that boy become