Natures (せいかく personality) are a pokémon's personality and effect their stats as it levels up.
16+ Pokemon Wiki Nature Pictures. A pokémon's nature is displayed on the pokémon's summary screen. When you catch a pokemon, your gm will provide the pokemon's nature.
Grookey Pokemon Bulbapedia The Community Driven Pokemon Encyclopedia from cdn.bulbagarden.net
Specifically, all but five natures can affect two stats, increasing one by 10% and decreasing another by 10%. La natura è una meccanica introdotta in terza generazione. Nature affects all stats of a tamed pokémon.
Each individual pokémon has a nature that influences its stats.
Additionally, all but the same five stats affect what kind of flavor the pokémon will like as well. Natures coalesce with ivs, evs, and base stats as calculatory constituents of the pokémon's eventual statistical total. Legendary pokémon are pokémon with very low rarities and very high base stat totals. More details on natures here.
