what is the name of the demons who can help for passing with good grades in the exam. ? HAIL LORD SATAN

Hlw, all ma satanist friends. i want to dedicate my self. i hv read about the ritual but it is not that cleared to me. is there any video file where i can learn about the ritual perfectly. i want to complete my dedication perfectly.PLZZ HELP ME ....!!! HAIL LORD SATAN