"When Penelope betrayed the Cooper Gang, she donned the alias of the Black Knight. Bentley saw to the suit's destruction, but the head remains somewhat intact. Because of the small dent on the back of the helmet, the visor's optic sensors can detect where Clue Bottles are located, so at least the piece of junk is good for something. That, and it also gives Carmelita a much needed defense boost."
The vault for this treasure is located directly above safehouse, hidden by tree branches. The code needed to access the vault is "5-2-1-1-4", and the passwords needed to access the treasure is "Warrior", "Honor", and "Glory".