Alex smiled and said, “It turns out that the secret is hidden here.”

“Huh? What secret?”

The material of the plaque itself was quite peculiar. It was made of a kind of dark wood with faint aroma that wouldn’t rot for thousands of years. This piece of wood alone was worth a lot of money, and was a thousand times more expensive than the most expensive fragrant rosewood in the market right now.

However, the real secret was hidden beyond that point.

Alex reached out his finger and directly dug i