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Theres a billion of them, you think theyd need to bite a steel type pokemon? A couple thousand would just need to dogpile on top of a steel mon and it's over.
People seem to not know the concept of numbers. 1 billion lions against about 200 - 300 viable pokemon. Put aside 1 mil for the non legends and we'll still have 999 million lions for the maybe 1 dozen legendaries. The legends would be exhausted and eventually just overwhelmed after dealing with...