sometimes a character will come onto the scene with a shady back-story and completely steal the show.This trope will almost always be an ensemble dark horse and the badass tropes. As this character becomes more popular the audience will want to be shown in more stories. Suddenly, that back story is revealed, the character was once a weakling and it will forever corrupt your view. this can lead to badass decay but is separate because the character can still be a badass but we don't see him in the same way. Prominent examples could boba fett and wolverine, both mysterious characters with a massive fanbase who were revealed to have not at all bad-ass back-stories.
Hello, Unknown Troper. You'll need to get known to lend a hand here.