The first piece a blacksmith forges with the Thousand Tempering method must undergo a blood ritual. This is tradition. Aside from that, the blood ritual is rarely used. Generally, it's only performed...een someone so strong, coming from Xingluo City. 。It is also a four-ring structure, but it's not like Xu Yucheng's one that lasts for a hundred years.It is said that all four soul rings are a thousand...