Reminds me of the Void novels of Peter Hamilton. The black hole is in reality an artificial world, constructed by an ancient civilization to investigate the pur

Reminds me of the Void novels of Peter Hamilton. The black hole is in reality an artificial world, constructed by an ancient civilization to investigate the purpose of life. Enormous amount of energy is needed to run the world simulation inside, that why the “black hole” needs to expand to consume other star systems.