oija boards can be good. look up Jane Roberts and the Seth Material
as far as the devil he doesnt exist. he was made up to make people follow the laws in the bible which were only to controll people
there can be bad spirits though but thats another thing and they cant harm you. they are only there to scare you
I have seen them face to face either through astral traveling or Salvia Divinorum. they couldnt do shit to me because I know about them and am not afraid.
but that still is different than just a mere feeling from smoking weed.
heres what I think......
your blood vessels expanded from smoking which gave you a wierd feeling that you assosiated with fear and the reason for the assosoiation is when you get scared your blood veesels expand. another contributing factor is the fact that its illegal