Brother Liu had taught Sifeng different kinds of spell formation that would aid him well in a battle and one of them is pill creation spell. Pills are just like healing portions but there are different several different kinds of pills, and the ones Brother Liu had taught him are healing pills are buff pills.
Brother Liu had claimed that having these two at hand before going into a battle will increase the person's chance of survival, not only did healing pill work faster with greater effect than the portion, but the buff pill also increase someone's overall strength by multiple folds till the effect worn it.
