Fifty years ago, Longcheng crossed over, a lone army of iron and blood, raising the banner of Earth civilization to face the terrifying tide of myriad races in a different world. Fifty years later, Meng Chao is reborn and discovers that he can become powerful by making contributions. 'Drip, you just helped an old lady cross the road, promoting social harmony, contribution value +1.' 'Drip, in the hand-to-hand combat with the monster queen, you demonstrated the fighting spirit of Longcheng's young men, contribution value +10000.' 'With your casual guidance, the War God comprehended the strongest combat technique, causing Longcheng's overall combat power to surge, contribution value +100000.' 'Under your persuasion, the Night Demoness repented, crying and promising never to be mischievous again, contribution value +250000.' 'You won people over with virtue, converting countless gods and demons of the other world, who are willing to serve Earth civilization...'