r again.Fang Yu's fist fell directly on the barrier!"Boom."A deafening noise broke out. Thebarrier flickered and seemed to quiver.on the other hand, Fang Yu's fist was shaken away for some distance."i...is piece of copper."Brother, this piece of copper..." Fang Yu looked at the shining copper in his hand and his eyes moved slightly."this piece of copper is very special." Daodun said, "the smell insid...