Pokémon's 18 types are at the core of the franchise's battle mechanic, each with its own weaknesses and resistances for Trainers to learn.
Pokémon type chart: strengths and weaknesses
Types, Pokémon Wiki
A strengths and weaknesses chart I made because I was having trouble reading the ones I was finding online. : r/pokemon
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Pokemon Scarlet & Violet type chart: Strengths, weaknesses
Pokémon type chart: weaknesses, strengths, resistances
Someone asked about a chart showing both incoming and outgoing, pokémon type weaknesses chart
Pokemon Scarlet & Violet Type Chart
Pokémon Type Chart: Super-Effective Quiz - By olis1993
Pokémon Type Chart: Every Pokémon Type's Weaknesses & Resistances