253 Expedition.

Valerian asked the old man, "What do you mean by layer wave pattern?" 

The blade surface was filled with wave patterns. It was very fascinating to see, Old man Fern heard the question said, "When two or more metals are perfectly integrated together, they form this wave pattern. This pattern is a symbol of proper and complete integration of the metals used by the forger." 

Valerian nodded in realization and said, "I see, Teacher what do you think of this sword?" 

Fern took the sword and gave it a swing, he said, "It is a good sword." 

He flipped the sword and he caught the glimpse of the glow on the blade. The silver shine on the blade made Fern say, "I did not expect Silver Stardust to react like this. How did you manage to make it work?"