This is a weapon belonging to one of the Seven Sacred warriors. Like all the weapons of the Seven Sacred warriors it is equipped with Blood Stone, and Neural Crystal. All of the Seven Sacred warriors posses weapons equipped with these gems, as well as Halo armor units and the Elemental Matrix cores. This weapon belongs to the the Sacred warrior of the Gravity Matrix
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foxboyprower
I like you're using different material now. Is there some geographical areas where they are found most often which influences the economy in some way?