Type

Each Pokémon has one or two Types which give it an advantage over some types but a disadvantage over others. These strengths and weaknesses also apply to Attacks and their types. There are 18 types in total.

Damage on a "not very effective" attack is multiplied by 0.8.

Damage on a "super effective" or STAB attack is multiplied by 1.25.

Type effectiveness
Tipos elementales