You wouldn't expect a good person to do anything wrong because of course, they are good. But when something goes terribly wrong happened to them, their morals and beliefs change, and they seek revenge. Not even a good person would resist the temptation of getting back at their enemy and making them feel the same hurt and despair that the good person felt.

They say our heroes are from the past that fought in the war and defended the country that they swore to protect. But war veterans and soldiers aren't the only heroes of our world. These modern-time people just qualify to be heroes as well! See the heroic deeds of these 21st-century heroes!