After a billion years of development, human civilization has completely analyzed all the physical rules of this cosmic bubble. Theoretical science has come to a complete stagnation. The entropy increase of the universe continues to increase. Galaxies are gradually extinguished. Civilization is facing an ultimate existential crisis.
The Human Federation of the Ring Universe launched a five-dimensional wall-breaking plan, but the fleet flagship accidentally fell into the primitive world, but was regarded as a heretic by the Saint...
