Pretty much every Pokémon since the very first generation has dabbled with obscure stat training, and although efforts have been made to make them much more visible, Pokémon Legends: Z-A has some concepts that aren't new-player-friendly.
Using mint stalls throughout Lumiose City , you can change the "nature" of your Pokémon, which can impact its growth and stats. The key is that these mints cost $20,000 each and aren't clearly marked on the map.
How Change Pokémon Natures In Legends: Z-A
Use Mints To Alter Their Natures
The various ways you can customize and train your Pokémon can get overwhelming, but mints are fairly easy to understand. Using specific mints can change the "nature" of your Pokémon, which can, in turn, impact stats.
Many of the natures are straightforward. I

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