First-class sword heart

The first-grade sword heart is a type of first-grade divine heart. It has always existed only in legends... In this primitive world, throughout the long history, perhaps someone had condensed a first-grade divine heart, but that was at least hundreds of thousands of years ago, or even longer, and because it was so far away, it had completely disappeared long ago. And in the past two hundred thousand years alone, in this primordial heaven and earth, with so many independent worlds, no one has ever...