The era of universal datafication arrives, monsters run rampant, and humanity retreats to seven fortresses. Chen Yu possesses a 30% group-wide enhancement ability, yet his teammates regard him as utterly useless and kick him out of the team. His younger sister can barely afford batteries for her digital life vessel. In desperation, he unlocks the hidden Lord skill, Unit Summoning, which allows him to house the digital lives of the deceased and turn them into fighting forces under his command. Silent Shadow Guards, Orc Warriors, and Eaglefolk Hunters appear one after another. His former teammates lose their bonuses and see their strength plummet, regretting their decision. While others summon wild beasts and monsters, he summons fallen professionals! Alone, he is an invincible army.