Chapter 424: the Avengers!

This place, I don't know where it is. In the palace-like space, there was a magnificent alchemy furnace in the center of the hall. The furnace was pitch black, with clear and strange patterns carved on all sides, and an ancient and heavy atmosphere emanated from it. At first glance, it is clear that this alchemy furnace is no simple thing. Deep in the lobby, there was an old man with gray hair, sitting in a dignified manner. He had a thin face and sunken eyes, and his squinted eyes showed an extremely...