C52 A Fortuitous Encounter with an Old Friend

He didn't have much experience with the fusion of elements of Ying Xue's magic, but he had thought of a small trick, which was to fuse the two magic elements together at the same ratio, so as to avoid accidents which might occur because of the uneven energy balance. Ying Xue thought that this trick of his was pretty good, and last time Ying Xue had also tried it on a small scale