C1423 The Development History of the Talisman.

Elder Zhikongzhang picked up the metal shards on the table and let Lachlan observe the fine lines on them.

From the broken horizontal cut, he could clearly see that the different colored metals were suppressed layer by layer, just like a delicious thousand-layered cake.

The production and refining process was not a difficult task, but the key was the types of metals.

"As time passes