Two years earlier, before Zhang Tie set out for the Western Theater, the Jiang Family of Great Xia's Hundred Herb Hall had already delivered the seeds from the various plant seed banks he had ordered to Torch Dragon Territory.
Although the Jiang Family had delivered them a little late, the seed banks contained ample quantities of high-quality seeds: 125,471 species of underground plants, 39,817 species of aquatic plants, and hundreds of thousands of other plant species. After the Hundred Herb Hall's Jiang Family delivered these seeds, Zhang Tie moved them into Castle of Black Iron and entrusted them to Heller. By now, apart from a little over a hundred extremely rare plant species, Castle of Black Iron possessed every type of plant found in the outside world.
Over the past two years, as these seeds grew, they provided Castle of Black Iron with more and more spirit qi. Including the spirit qi produced by the plants Zhang Tie had previously sown within Castle of Black Iron, its daily spirit qi output could now fully rival—and even exceed—the Basic Energy Reserve converted each day by the Element Abyss.
"Castle of Black Iron has now created all kinds of geographical environments most suitable for every seed's growth. All the plants are growing extremely well..."
"I can see that already..."
As Heller spoke, Zhang Tie's gaze had already fallen upon the forests formed from the food-producing seeds he had first scattered within Castle of Black Iron.
The walnut forest spanning several thousand square kilometers had gradually matured. Every walnut tree in the forest was growing exceptionally well. Looking at this vast walnut forest, one could imagine the scene when these several thousand square kilometers of walnuts came into harvest in the future. Besides walnuts, the forest also contained all kinds of fruits, medicinal