Resurrected to Tame the Witch

With a secret cheat ability to travel between two worlds, Luke Thorne exchanges resources. Modern food and medicine become priceless treasures in the wasteland 200 years in the future. Using these supplies, he recruits Witches with world-destroying power and unites with partners to build a new human home. When danger descends, what awaits the enemy is an iron fortress built by Luke Thorne himself!