A kind of Buddhism, look at incense.

Seeing incense is a way to guess the fate by looking at the color changes of smoke and fire and the height of incense head when lighting incense. Generally, it is based on the suggestion of ghosts and gods, so it is superstitious and has great inaccuracy (a certain proportion of accuracy may also occur). This method is simple and is often used by some low-level people to cheat money and color.

Generally, after reading the incense, the other party will let you crack it. At this time, most of them will ask you to contribute.

This thing you're talking about seems to have met a wicked person who used it to deceive people.