changing one's ways (verb) reform: correct, rectify
Sinonime: annihilator,
assassin, bomber, cancer, chemotherapy, demolisher, despoiler, eradicator, executioner, exterminator, firebrand,
iconoclast, pillager,
poison, radiation, ransacker,
savage, slaughterer, vandal, wrecker
Antonime: author,
creator, restorer