C42 Everything Is for the Gold
Mo Xie was born in the countryside, and his family wasn't wealthy. However, he still knew about gold.
Furthermore, the gold bars in his hand had the sign of AU9999!
Therefore, he was sure that he did not admit his mistake.
Gold was a very stable metal with a very strong resistance to corrosion. Even if it was swallowed by a mutated Greater Rat, it would not be digested and corroded