Don Firth,

Regarding your idea of "leakage"

I thought you might be interested in a story of mine in which this 'leakage' is perceived best by certain people. Those who are good at it, go on to develop a free will ability to move over into the universe in which they continue to survive or be relatively more successful. Its sort of like the saying a cat has nine lives.
This could also account for the poor miserable souls we see since they may have died, or worse, in all the other possible dimensions, or simply because they did not have the ability to transmogrify.

Over millenia some intelligent beings aid their dimensional travel between or to other lives with technology, while some just do it "naturally". T

he story concerns the last remaining souls living their last dimensional lives and are all concentrated in one particular universe. Invention explodes exponentially and an epoch of incredible technology that advances beyond magic in just 100 years.

The quest for immortality for both the natural dimensional travelers and those aided by technology reaches a fever pitch but in the end, both must succumb to running out of turns and die. While those who relied on technology still pass away they pass into lives reliving the past which has aspects of the frustrations of hell, reliving lives that have no free will.