I Became the Strongest in the Universe by Judging Alien Criminals

In the parallel universe, the emergence of a space spiral hole allows countless alien visitors to cross the galaxy and land on the earth. From then on, humans are no longer the masters of the earth, and are overridden by aliens! As an oppressed low-sequence human, Zheng Shan awakened the judgment system after helping to kill aliens. As long as he judges those alien criminals who have harmed humans, he can become stronger. The moment the system awakened, he understood: Destiny is mine! He wants to let this world, which has a clear distinction between superiority and inferiority, know that emperors, generals and prime ministers would rather have their own kind! Only power and life and death are the eternal truths of the universe! No matter how alien aristocrat or high-ranking person, in the end, strength determines everything! Zheng Shan wiped out the alien invaders who occupied the earth, landed on alien planets alone, conquered hostile galaxies, and gradually became the strongest in the universe...