The multiverse is vast, a maze of world stitched together by Sigil and the occasional use of portal magic.  For most the multiverse is a vague mystery, something unheeded and mentioned only in passing by those whose interest and power makes them far above them.  Those people are not you.

You are those that have reached the heights, walked the rarified summits of power, walked the planes and contested with gods and outsider lords.  Your power is known throughout your realm, be you one of the hundred of Faerun or the few of worlds like Eberron or Golarion.

But even for people like you, especially for people like you, there are predators.   Groups that seek to further agendas using the power you and those like you possess.  Those who seek to simply remove such powerful individuals from their worlds to allow them to achieve goals.    In any event you fell victim to one of their traps.  A honeypot hidden within your normal dangers.  Something, an item attuned specifically to you that ripped you from the comfort of your home world and sent you hurtling into the depths of the multiverse.

From your perspective you simply moved instantly from one location to another.  The item you had just picked up flaking into dust as your new surroundings unfold before you…