1 billion lions, or one of every pokemon

TheJeffers

https://community.pokemon.com/en-us/discussion/comment/60807#Comment_60807

Voltareon2012

https://community.pokemon.com/en-us/discussion/comment/60833#Comment_60833

Look. Pokémon battle to knock out, because quite typically they battle for fun, sport, or maybe in the wild to get others out of their territory. They can do more, but they don't try to kill each other. With some exceptions being legends and some ghost types.