Pokémon Types are special attributes which determine the strengths and weaknesses of different Pokémon species. They lay the foundation of a complex yet mostly logical "rock-paper-scissors" or "balance of powers" system that applies to every Pokémon and their respective moves. Some advantages and disadvantages are based on common sense (e.g. Fire-type Pokémon being weak to Water-type attacks), while others are not as obvious (e.g. Fire-type attacks being strong against Steel Pokémon, possibly because fire melts metal).
History of the Pokémon TypesEdit
There originally were 17 Pokémon types with the Light-type Pokémon being newly added:
There are type that does not apply to any regular Pokémon:
There is also additional "Shadow" type, which is super-effective against every Pokémon type, but not effective against Shadow Pokémon .
Most Pokémon learn moves of the specific type(s) they have traits of, as well as basic physical attacks. For example, an Electric-type Pikachu could know basic Normal-type moves such as Growl and Quick Attack , but also Electric-type moves like Thundershock and Thunder Wave . The power of the attacks are more powerful if the type of the attack match’s that of the Pokémon using the attack.
Later Timothy explained to Ash that combing attacks with a double-type-advantages, can also cause an attack to become more powerful. Add in a critical hit and a held item with the double-type-advantages a pokémon is capable of doing far more damage than it is capable of.
It should be noted that weather may increase power even more, along with special abilities.
Physical and Special AttackEdit
Each of a Pokémon's moves can either be described as a Physical or Special Attack. When attacking a opponent with a Physical Attack, the attacker's Attack stat pushes the direct damage higher, while the target's Defense stat drives the damage lower. When attacking an opponent with a Special Attack, the attacker's Sp. Attack stat and the target's Sp. Defense stat influence the direct-damage amount. The attack itself determines the Physical or Special nature of the damage.