C2518 Little Biscuit
Although it was just simple transporting the Ancient Dragon Marrow, without the help of the Silk Fox Rats, Feng Yixiu would have to replenish the Ancient Dragon Marrow every once in a while, and it would take a lot of time.
He also knew that the Ancient Dragon Marrow was extremely heavy, and the size of the Five Elemental Gold Seeking Rats was only the size of a palm