I can't even capture it on my camera

Completed Round 5 of any Circle of Slaughter

Completed the mission "Toil And Trouble"

Completed the mission "Where Angels Fear To Tread"

Discovered all named locations in Sanctuary, Opportunity, and Lynchwood

Completed the mission "The Once and Future Slab"

Completed the mission "Wildlife Preservation"

Completed the mission "Bright Lights, Flying City"

Completed the mission "Rising Action"

Purchased 5 items from the black market

Completed the mission "A Dam Fine Rescue"

Completed the mission "Hunting The Firehawk"

Completed the mission "Plan B"