How to upgrade medicine in Phantom Blade Zero

You can upgrade your medicine using healer's memories at the Green Serpent HouseS-Game Studios

You'll also get the Green Serpent Brew when you visit for the first timeS-Game Studios

Upgrading medicine in Phantom Blade Zero improves the percentage of HP, damage negation, and Sha-Chi that these healing consumables replenish, which is pretty powerful, as you'd imagine.

You can upgrade your medicine when you reach the Green Serpent House in west Pangzhen (the game's 4th region after the Village of Lu). You'll arrive at this location during Pangzhen's second chapter, which sees you exploring the west side of the town, specifically, after you defeat Xie Qiudong, The Divine Healer and progress down the street, where you'll spot a big house...