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>PU, which stands for nothing, is the tier that contains all of the Pokémon that are just short of NU in terms of the required usage amount, which equates to a 50% chance of encountering the Pokémon in NU in 20 battles. These Pokémon can still be used in NU, and a lot of them are actually quite powerful as well, but they simply aren't used enough for them to change their tier placement.
>Which stands for nothing
>The king of nothing
