Hearing that the blue alum said that the sky thunder was coming, the giant snake didn't speak, and murmured a few words. Then he saw a cloud on the top of the cave. In a moment, a small sky thunder appeared. But the blue alum didn't think that the power of the sky thunder was small, because the ordinary sky thunder was yellow, and the two thick and thin sky thunder were purple. It was purple thunder It is said that only some of the top-grade thunder Charms can emit purple thunder, while the giant snake's mantra can summon this powerful thunder in less than a second, which makes blue...