Treasure.

Shi Lang mumbled under his breath, and the sword in his hand dispersed into golden particles before it condensed into a human form. The sword spirit said, "You do not have to do anything. It is just that I am a bit stronger than your body can hold on to. The intent you wish to channel is amplified with me in your hand. I try to restrain myself, but you know how it is when you are a heavenly spirit weapon. Oh, wait! You don't." 

The terran agreed with the first half of her conclusion, but the latter part was ignored. He said, "Let's go and check this special valley. Lei Hu bought me here, and those people were guarding it with their lives. Come on." 

Shi Lang walked forward with his hands behind his back. He also maintained his sensory ability to ensure he was ready if any furious beast or human jumped up at him.