

Primarily averted in Naruto, given that the setting revolves around villages filled with incredibly powerful ninja, but it's Played Straight in a Big Damn Heroes moment near the very end of the Land of Waves arc, which takes place in the only known country with no ninja village.

Drifters has the oppressed elf farmers being trained by samurai.Cyborg 009 uses the trope and ends the episode with a subtle but ominous picture of one of the formerly peaceful (not to mention god-like powerful) aliens callously trampling over a flower.
