I Rely on Deductions from All Races to Overthrow the Heavens

All races came to the world, the door to the world opened wide, and humans became prey. Geniuses are everywhere, and the weak are worse than dogs. Xiao Jin traveled through time for three years, and his vitality and blood were stuck at 210. He was treated as waste and was ridiculed and bullied. In a desperate situation, awaken the [Ten Thousand Races Deduction System]. Deducing weaknesses, deducing martial arts, deducing ways of survival, and deducing the future. But he is not invincible—— They will be defeated, injured, dying, and besieged by aliens until they are cornered. Every victory is a struggle on the edge of life and death; Every time you rise, you stand up from the mountain of corpses and sea of blood. With a mortal body, he grasps the secret of deduction, makes a comeback in desperate situations, and becomes a god in troubled times. In this life, Xiao Jin will not overthrow the heavens, only—— Fight until death, fight until comeback!