The End of the World: the Emperor's Portable System Summons Thousands of Troops

[Ice Age + Natural Disaster + Rebirth + Space Materials + Decisive Killing + Farming + Infrastructure Maniac + Portable Emperor System] What? You want to shake people? Well, I have thousands of troops, you and I are pretending to be crazy. What if one day the sun comes to an end, the sun on which human beings rely for survival dims, and the world becomes dark? How can humans survive the crisis and save themselves? The modern scientific and technological civilization built by mankind with painstaking efforts was completely destroyed by the super-SSS coronal mass ejection before the destruction of the sun. The northern hemisphere was completely shattered, leaving humans in the southern hemisphere lingering for a long time. After the explosion, the sun fell into a final countdown to self-destruction, and the earth fell into an extremely cold apocalypse. More than 90% of species became extinct. And the surviving creatures also began to mutate with super powers. Humanity is facing the crisis of solar explosion, and the mutant creatures are looking around. A tug-of-war for the complete destruction of humankind has begun. How can human beings get out of their predicament and regain their lives? Ning Yi was reborn and returned to a month before the end of the world, awakening to the extremely overbearing emperor system. Gained the ability to summon thousands of troops at any time, as well as huge abilities in different dimensions. The more people you have, the more efficient you will be. Stock up on massive amounts of survival supplies, build the strongest safe house in the world, enjoy hotpot in the ice and snow world, and live a happy life. The arrival of the end is the moment for Ning Yi to start the road to becoming an emperor.