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>Arcanine
Fast land traveling and ace in fights, can provide fire for fireplaces or burn down small bushes that are blocking the way
>Sylveon
Second most used in fighting as resistance to dragon/fighting/dark types. Mostly used in contests though.
>Pidgeot
For aerial mobility and used for battle, also used for gathering berries and for searching of near cities.
>Sharpedo
For full water mobility, being used to surf, dive, climb waterfalls. Counter for rock and fire types in battles.
>Ampharos
Provides lighting at night or in caves. In battle used for flying and water type coverage.
>Excadrill
Used in caves for digging for fossils and gems or providing a faster exit of said caves. In battle used against poison and fairy types.