The protagonist is reborn before the apocalypse begins. Using his foreknowledge, he frantically stockpiles supplies, builds a safe house, and awakens powerful abilities, becoming a regional overlord in the apocalypse. It's simple and direct, with immediate results. From the start, he gains a pocket-dimension shelter that can be upgraded indefinitely and can scan any object in the real world to reveal its manufacturing blueprint, historical information, and potential value. This perfectly fits the creative focus on