I Build an Immortal Defense Line in Another World

Who would have thought that after staying up all night to clear the most difficult tower defense, the celebratory champagne had not yet been opened, when a thunder struck the room, and Lin Yue was directly packed up and thrown into the troubled times of the Middle Ages. Fortunately, that tower defense game traveled with him and became an exclusive system. There is no need to recruit craftsmen, the tower rises from the ground; there is no need to hoard food and grass, the Hundred-War Legion is always on call.