Yes, this metal bead.
It was precisely the piece of Tianyuan Iron that Xu Nian had obtained from the bottom of Moon-shaped Lake in the desert.
This Tianyuan Iron had an extremely cold attribute, and it had a very strong attack effect on the soul.
Moreover, its weight was extremely heavy.
Once it was fused into the hammer, the weight would likely reach an even more terrifying level.
Of course, what Xu Nian pursued was a truly heavy weight.
Now if it wasn't ten million catties, it could not satisfy him.
"What kind of artifact refining materials is this, why have we never seen it before?"
"Although we haven't seen it, we can be sure it's a kind of Divine Iron, and the quality is definitely not low."
"Yes, but these kinds of extremely cold attribute refining materials are very difficult to melt!"
…
The disciples below were all discussing animatedly.
At this moment, Xu Nian had already calmed his mind and spirit, beginning to attempt artifact refining.