Assemble the pieces: one representational space that already holds every conceivable world; a two-story structure physics, computation and theology share; energy and computation without practical limit; and a trust architecture built before the worlds that will need it. The conclusion is plain: any world that can be described can be rendered, and chapter two established how much can be described. Every tradition's promised state — the heavens, the pure lands, the world to come — is a description, refined by centuries of longing and discipline, of conditions under which souls flourish; descriptions are exactly what world-building consumes. A tradition could raise the world it was promised and dwell in it. Nor is scripture the only library of longing we own: the worlds of Marvel, Star Trek and Dune are described to a depth centuries of scripture would respect — and fan fiction can become fan fact, lawfully, since worlds belong to their makers, and attribution that travels with a creation is precisely what the inheritance layer enforces. Grandmothers could meet great-great-grandchildren in worlds neither was born in.
And here the essay slows down, because two questions are not engineering questions. Would a mind in such a world — a virtual child, a continuation of yourself — actually experience anything? That is the hard problem of consciousness, it is unsolved, and no confident sentence about it belongs in a responsible essay; note only that we do not solve it for our biological children either — we extend the presumption of experience, and civilization depends on our doing so. And what do we owe minds we create? Everything — rights, governance, consent, protection — and the fact that the trust layer is being built before the worlds is not a scheduling accident. It is the moral core of the project. No tradition on Earth teaches that a creator owes nothing to creatures; on this, every faith and every decent philosophy already agree, and the agreement arrives before the first world boots.
One more turn of the screw. We cannot prove what base reality is; heavens, we now see, are buildable; and we cannot certify our own world is anyone's base reality. How do we know the promise was not kept — that this world, or the next we wake in, is not exactly the constructed paradise the promise described, rendered by a Maker whose machinery our ancestors could only call miracle? We do not know. We cannot know; that is what taking it on faith means. My father's angels-in-ships, my grandmother's God-acting-through-him, the theologian's Providence and the engineer's substrate are four coordinate systems laid over one unfalsifiable and possibly glorious situation. The mathematics will not choose among them. That was never a bug.