Basic Trope: This person was once a hero until something very bad occurred. * Straight: Bob was once a Knight Errant until he found that his Doomed Hometown was burned while he was away. He's lived as a lowly drunkard ever since. * Exaggerated: Alice was once The Messiah with a Thou Shalt Not Kill policy. Then, the court made an agreement with Emperor Evulz and branded her party as traitors. After she escapes from the siege alone, Alice found that her little sister was killed by the villagers, who feared that the army might attack them as well. These events turned her into a Complete Monster to which Evulz can't even be compared. * Justified: The events topple the very ideals held by the character. Traumatized, her mental state is irrevocably shattered. * Inverted: The Atoner