AC Black Flag Resynced: All "Antocha Wreck" Treasure Chests Locations

Navigating the flooded remains of the Antocha Wreck is one of the most lucrative underwater dives in Assassin's Creed Black Flag Resynced. The shipwreck is littered with underwater treasure chests and the Mortars Ultimate Plan upgrade. However, navigating the shark and jellyfish-infested waters searching for the chests while managing your air will require a solid game plan. Here's a complete guide with the locations of all treasure chests and the Ultimate Mortar Plan upgrade in the Antocha Wreck in AC Black Flag Resynced.