Refined Crystal was a rare material that was formed in the abdomen by beings that had frequent meals of ore that remained undigested.

It was a peak supplementary material for strengthening magic tools. So long as this material was joined together with a magic treasure, not only would its might increase, but the resilience of the magic treasure’s body would immediately strengthen to a point of disbelief. After that point, it would be hard to imagine anything that could break it.

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