I see void more as a mean of acheiving a trance state than a blank state of mind. There is really no such thing as not thinking of anything as this would mean total unconsciousness. This is different from just making it blank and staring into the abyss as you are still thinking of...

I don't really have much knowledge about runes, but I can share an experience with you. This happened a couple of months ago so the vividness of my encounter with the Ur rune is tatood somewhere in my brain but what im giving you now, due to me having a stoner-like memory (no air...