While many Pokémon receive specific traits when you capture them, there are some Pokémon that have hidden attributes. These attributes are based upon their abilities within the main game and completely revolutionise the way you use the Pokémon. These traits are all passive and do not show up in any part of the game, other than when they are activated.

Only a handful of Pokémon have these hidden attributes, and you cannot change them, but they can be very useful in the decision of what Pokémon to use on certain stages.