Power Overwhelming

A particular soul has gone through more reincarnations than it can remember. Used to living quiet and simple lives, the soul is told that the next life would likely be the last one and that it would have to go back home, to the universe where it was first born to live it. A universe that also happens to be the gathering place of other reincarnators and some of the most powerful beings in the multiverse. What can a soul do when thrust in the middle of an emerging conflict? Why would this be the last life the soul can live? And who orchestrated all of this?