chapter 104 confusing

In fact, Luo Sanpao didn't completely lie just now. He did meet the Iron-faced Beast by chance in an underground boxing market. However, although the Iron-faced Beast was very strong at the time, it was still very different from its previous strength. It is simply impossible for a person to achieve such a big improvement in a short period of time. The reason is that about ten days ago, Luo Sanpao took the Iron-faced Beast to Haiya to do some errands, and then accidentally obtained a special potion...