A large cat-like Matrioshka brain, embedded in nested glowing dyson spheres, simulating entire populated alternate universes, filled with sparkling artificial wormholes, Radiating power, made by cosmic engineering, Anders Sandberg, Damien Broderick, Kardashev type-IV civilization, Science Fiction movie, cinema4D, octane render, cosmic aquamarine coloured volumetric lighting, 4K UHD --aspect 5:3 --vibefast