"Proper Defenses" is the 6th memory (mission) in Sequence 3 in Assassin's Creed IV Black Flag
Leave Cat Island and go to Salt Lagoon (749,625) to start this mission.
Optional Objectives[edit]
Use one broadside to sink two boats
Use heavy shot to sink two ships
Objectives[edit]
Locate the "El Arca Del Maestro"
- Ships sunk 0/8