Light Energy Civilization Restarts

The fifth-level light energy civilization was brutally wiped out by the seventh-level void garden civilization, and I, Yuan Bin, was the only one left in the entire civilization. We have focused all our technology on physical evolution, including a light brain, a light-energy heart, and the strongest shield in the universe, but we cannot even build a decent battleship. The space-time wormhole exploded unexpectedly, and I fell to the post-World War III post-apocalyptic Earth—the mother planet of the origin of my ancestors whose records had been erased by civilization. Seriously injured and on the verge of death, the wireless power supply is interrupted, and you have to rely on eating and converting light energy to survive? It doesn't matter. Live first, then evolve. This time, I cultivated my physical body, defense, and weapons in parallel. Starting from the earth at the end of the world, we will rebuild a light energy civilization, travel across the interstellar sea, and tear apart our enemies with our own hands. One day, I will bring a new light energy civilization to the top of the seventh-level universe!