Opportunity Knocks is a location-based challenge in Borderlands 2 located in Opportunity. To complete this challenge, three ECHO recorders located throughout the city with information regarding its construction must be recovered.


  • The first ECHO is found on a bench just next to the vending machines when entering the city.
  • ECHO 1 on map
  • The second ECHO is found on a bench in the center area, where Jack's Body Double is found during The Man Who Would Be Jack.
  • ECHO 2 on map
  • The third ECHO is found on a bench in the far end of the city, on a bench near vending machines.
  • ECHO 3 on map
Community content is available under CC-BY-SA unless otherwise noted.