Wise oldster

You clean it off and decide to give it to the pawn shop owner, Mr. Pikin. As soon as you do, he looks at you with sorrowful eyes.

"I apologize, John, but I cannot afford to buy this from you."

"Yeesh, are times that tough," you ask him.

"Y-you do know what this is, right? This is the legendary soul jar! Capable of Taking the will of any who look into it's depths!"

"Bull," you respond, "I found that in a goat's stomach! And you expect me to believe it's the freaking Holy Grail?"

"If you don't believe me, try it on someone."