But once, when he was making flowers, he happened to use this crucible to hold some salt.,Su Er had been paying close attention to his grandfather's every move. Before his grandfather could even react, he snatched the alchemy furnace and tucked it into his bosom. With a swift flick of his wrist, he darted out, running towards the village.,This earthen furnace has been passed down for generations, but no one knows what it was used for.。