In the dark of night

This is a real black magic spell specifically to bring nightmares to another person. You should cast this spell after midnight but before dawn, and be aware that it will make a bit of smoke. Have a window handy. You need: On the paper or cloth, drawn 3 concentric circles and an x in the center. Set up the dish and charcoal on the x, and the candle outside the circles. Light the charcoal and get it smoldering, put a pinch or two of mugwort on it along with a chunk of resin. When they are both smoking, light the candle.
 * A black candle
 * Mugwort
 * Dragon's blood resin
 * Charcoal tablet
 * Heat-proof dish
 * Large piece of white paper or cloth
 * Black ink (a marker will do)

Watch the smoke rising from the dish and visualize it floating through space to your intended target. It brings nightmares and fear into their sleep, and picture that scene for several minutes and focus on the person.

After a few minutes, put out the charcoal and switch the dish and candle so the candle is on the x. Leave it until it fully burns down. Your victim will have bad dreams starting the next night and it will last for 3 days.