Things needed
room with mirror and no windows
a candle and soemthing to light it with
one or more people
How to do the ritual
go into the room and turn off the lights
light a the candle and place it infront of the mirror
close your eyes
say "bloody mary" three times
clap three times
open your eyes.
At this point,bloody mary should be behing you. leave the bathroom or she might kill you.