A civilization whose energy source and domain extend beyond a single universe into the multiverse—the hypothetical set of all possible universes with different physical laws. This involves accessing energy from other universes, creating or destroying pocket dimensions, and navigating the landscape of string theory or quantum branch points. Their science is one of infinite possibilities.
Kardashev Type 5.0 Multiversal Civilizations Example: The Downstreamers from Stephen Baxter's Manifold series, who eventually engineer entire universes to their specifications, or beings that can move between alternate realities at will, like the Interdimensional Council of Reeds in Marvel Comics, operate at a Type 5.0 level.
by Abzugal February 3, 2026
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