This method is for viewing other-worldly entities. I do NOT guarantee 100% results. Ghosts/spirits may or may not become hostile when viewed, so it's recommended to wield a sacred or ceremonious dagger for protection.
So, the ritualistic aspect I'll leave up to you - whatever deity or entity you want to summon prior to this method will be up the practioner. Each practice, ritual, ceremony, etc. being different (dependent upon it's origins).
Once you've performed your summoning ritual, to view, proceed thusly:
>make an enclosed frame with both of your hands, can be whatever shape you'd like
>try to frame your fingers around "eye"-shaped objects or pictures
>the more eye-like, the better
>you'll know when you can view entities by a flash of red, red-ish glow, or perceiving the red eye
>another sign that you are ready to view is that you'll perceive black-ish tendrils around particular surfaces or objects may become obscured by a wavy, black fog
>the deceased should become apparent after this
>it's important to note that you can break your viewing window (your hand frame) at anytime; but you still may be able to view entities even when not using the portal
>(some entities may stick around once becoming aware of you viewing them or even hostile)
>in the event that an entity does not disappear when your frame is broken or becomes hostile, you may
>attack with sacred dagger
>performed preferred banishing ritual
>use occult defenses, such as a protection circle, amulet, prayer, etc.
Have fun and stay safe.
How long does it usually take to work?
>>19325528
Didn't work.
This is what I get for expecting something interesting from /x/. More autism.