The basics of so-called black magic of "retention of reliance" is slow poison, usually narcotics related. I don't know the concoction formula of course. It can be administered through solid food, fluid or fume.
The basics of so-called black magic of "prediction of lottery" is of course by numbers in the maths of probability. Even in Singapore, they teach that at sec. sch.
A consistent methodology, logical but hidden.
Another analogy: a hedge fund floats 10 hedge funds, each in a different sector. At the end of the year, two or three will be successful. If you conveniently forget the others, you can tell the world that you have managed successful hedge funds. People will look up to you for your investment expertise.
What if all 10 fail? Then you move to the East where your expertise in hedge funds is much treasured.
What if you fail in the East? Dunno but you can try the following: journey to the West, join politics, become singapore citizen, own a 4D shop, sell MLM, drive taxi. Or set up another 10 hedge funds. If two more successful hedge funds emerge, then tell the world that you have managed hedge funds successfully for two years.