When the alarm sounded, Pei Rang was locked outside the SSS-level shelter door. The radiation storm swept through the city three minutes later, and the tons of cans and water in the warehouse were only enough to sustain a person for ten years.
System activation: Invest in a frail girl and return a genetically optimized army; take in dying scavengers and unlock the lost technology tree. While others were grabbing bottle caps in the ruins, Pei Rang stared at the loyalty of the 99 quasi-citizens on the panel and found that everyone had incredible talent attributes hanging above their heads.
While the top ten shelters were still beating the brains out of a piece of mutated beast meat, Pei Rang was already driving the electromagnetic levitation heavy truck, running over their flags, and stepping on the automated factory three thousand meters underground - and the Valkyrie whom he had raised by his own hands was pinning the leader of the rebels on the ruins, "Call the administrator."