11 year old gets kicked out of house. Adult gives said kid a slave animal for legalized government supported animal fighting. Kid walks across an entire island region, eventually:
Beating several animal fighting arenas who’s job is to not lose to kids.
Taking down a criminal empire single-handedly.
Gaining the ability to walk, run, bike infinitely without slowing.
Climb several mountains, walk through miles of tall grass and poor roads, and caves.
Climb to the top of the government and then disappear to the top of a freezing mountain with no snow gear.
The animals have magic powers and (from all generations) can:
Evaporate the planet from being as hot as the sun.
Be an entity that controls some aspect of nature (land, sea, time, space, wishes, air etc.) and be caught by the kid.
Be a literal GOD but…
BE CAUGHT BY THE KID!
POKEMON GAMES ALL THE WAY!