One person I've encountered again and again is a young girl by the name of Lina Inverse...

She's known as the Bandit Killer. Wherever she goes, the burning remains of bandit camps lie smouldering in her wake. Though it doesn't end there... She has no sense of restraint, and her battles against monsters and villains often leave a large amount of collateral damage.

She once destroyed an entire castle with a single spell, leaving the kingdom in ruin...