A Mortal Cultivating Immortality: the Demon Refining Tower Helps Me Counterattack

[Mortal flow, slow heat, realm (qi training, foundation building, golden elixir, Yuanying, transformation of gods) please pay attention, thank you! Zhang Yi, a loser with five spiritual roots, stumbled upon a dilapidated small pagoda in the middle of nowhere. This tower may seem inconspicuous, but it can refine thousands of monsters, extract blood and spiritual energy, and even refine souls and souls to feed yourself! From then on, while others worked hard, he raised worms, while others exploited their bottlenecks. Let's see how the little people use the mysterious little tower to create a path to heaven and immortality in this cruel world of immortality!